21 datasets found
  1. d

    Chicago Traffic Tracker - Congestion Estimates by Segments

    • catalog.data.gov
    • data.cityofchicago.org
    • +4more
    Updated Nov 29, 2025
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    data.cityofchicago.org (2025). Chicago Traffic Tracker - Congestion Estimates by Segments [Dataset]. https://catalog.data.gov/dataset/chicago-traffic-tracker-congestion-estimates-by-segments
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    Dataset updated
    Nov 29, 2025
    Dataset provided by
    data.cityofchicago.org
    Area covered
    Chicago
    Description

    This dataset contains the current estimated speed for about 1250 segments covering 300 miles of arterial roads. For a more detailed description, please go to https://tas.chicago.gov, click the About button at the bottom of the page, and then the MAP LAYERS tab. The Chicago Traffic Tracker estimates traffic congestion on Chicago’s arterial streets (nonfreeway streets) in real-time by continuously monitoring and analyzing GPS traces received from Chicago Transit Authority (CTA) buses. Two types of congestion estimates are produced every ten minutes: 1) by Traffic Segments and 2) by Traffic Regions or Zones. Congestion estimate by traffic segments gives the observed speed typically for one-half mile of a street in one direction of traffic. Traffic Segment level congestion is available for about 300 miles of principal arterials. Congestion by Traffic Region gives the average traffic condition for all arterial street segments within a region. A traffic region is comprised of two or three community areas with comparable traffic patterns. 29 regions are created to cover the entire city (except O’Hare airport area). This dataset contains the current estimated speed for about 1250 segments covering 300 miles of arterial roads. There is much volatility in traffic segment speed. However, the congestion estimates for the traffic regions remain consistent for relatively longer period. Most volatility in arterial speed comes from the very nature of the arterials themselves. Due to a myriad of factors, including but not limited to frequent intersections, traffic signals, transit movements, availability of alternative routes, crashes, short length of the segments, etc. speed on individual arterial segments can fluctuate from heavily congested to no congestion and back in a few minutes. The segment speed and traffic region congestion estimates together may give a better understanding of the actual traffic conditions.

  2. s

    Data from: Traffic Volumes

    • data.sandiego.gov
    Updated Jul 29, 2016
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    (2016). Traffic Volumes [Dataset]. https://data.sandiego.gov/datasets/traffic-volumes/
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    csv csv is tabular data. excel, google docs, libreoffice calc or any plain text editor will open files with this format. learn moreAvailable download formats
    Dataset updated
    Jul 29, 2016
    Description

    The census count of vehicles on city streets is normally reported in the form of Average Daily Traffic (ADT) counts. These counts provide a good estimate for the actual number of vehicles on an average weekday at select street segments. Specific block segments are selected for a count because they are deemed as representative of a larger segment on the same roadway. ADT counts are used by transportation engineers, economists, real estate agents, planners, and others professionals for planning and operational analysis. The frequency for each count varies depending on City staff’s needs for analysis in any given area. This report covers the counts taken in our City during the past 12 years approximately.

  3. Data from: Annual Average Daily Traffic

    • gisdata-caltrans.opendata.arcgis.com
    • data.ca.gov
    • +2more
    Updated Sep 30, 2024
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    California_Department_of_Transportation (2024). Annual Average Daily Traffic [Dataset]. https://gisdata-caltrans.opendata.arcgis.com/datasets/d8833219913c44358f2a9a71bda57f76
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    Dataset updated
    Sep 30, 2024
    Dataset provided by
    Caltranshttp://dot.ca.gov/
    Authors
    California_Department_of_Transportation
    Area covered
    Description

    Annual average daily traffic is the total volume for the year divided by 365 days. The traffic count year is from October 1st through September 30th. Very few locations in California are actually counted continuously. Traffic Counting is generally performed by electronic counting instruments moved from location throughout the State in a program of continuous traffic count sampling. The resulting counts are adjusted to an estimate of annual average daily traffic by compensating for seasonal influence, weekly variation and other variables which may be present. Annual ADT is necessary for presenting a statewide picture of traffic flow, evaluating traffic trends, computing accident rates. planning and designing highways and other purposes.Traffic Census Program Page

  4. H

    Dataset for Stochastic Modeling and Real-time estimation of emerging...

    • dataverse.harvard.edu
    • search.dataone.org
    Updated Feb 10, 2022
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    Asad Arfeen (2022). Dataset for Stochastic Modeling and Real-time estimation of emerging internet traffic in access and core networks [Dataset]. http://doi.org/10.7910/DVN/DA5DOB
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    CroissantCroissant is a format for machine-learning datasets. Learn more about this at mlcommons.org/croissant.
    Dataset updated
    Feb 10, 2022
    Dataset provided by
    Harvard Dataverse
    Authors
    Asad Arfeen
    License

    CC0 1.0 Universal Public Domain Dedicationhttps://creativecommons.org/publicdomain/zero/1.0/
    License information was derived automatically

    Description

    The Internet today is approaching its technological limits, and as a result many research initiatives have begun with a view to the future. A communication network for the design and maintenance of future Internet, which can provide various information services regardless of the number of users / devices and distribution around the world without existing restrictions. It fills the fundamental gap in knowledge about the dynamic processes formed by the data flow of this network, with the aim of determining the economic structural model of Internet teletraffic in both access and backbone core networks. These models will be used to evaluate and optimize the performance of various future Internet information services, enabling efficient sharing of resources, saving energy consumed on the Internet and enhancing network security. Multiple traffic with random timestamping were archived during this research, few of these have been shared for future references.

  5. M

    Annual Average Daily Traffic Locations in Minnesota

    • gisdata.mn.gov
    fgdb, gpkg, html +3
    Updated Nov 27, 2025
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    Transportation Department (2025). Annual Average Daily Traffic Locations in Minnesota [Dataset]. https://gisdata.mn.gov/dataset/trans-aadt-traffic-count-locs
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    shp, html, webapp, gpkg, jpeg, fgdbAvailable download formats
    Dataset updated
    Nov 27, 2025
    Dataset provided by
    Transportation Department
    Area covered
    Minnesota
    Description

    AADT represents current (most recent) Annual Average Daily Traffic on sampled road systems. This information is displayed using the Traffic Count Locations Active feature class as of the annual HPMS freeze in January. Historical AADT is found in another table. Please note that updates to this dataset are on an annual basis, therefore the data may not match ground conditions or may not be available for new roadways. Resource Contact: Christy Prentice, Traffic Forecasting & Analysis (TFA), http://www.dot.state.mn.us/tda/contacts.html#TFA

    Check other metadata records in this package for more information on Annual Average Daily Traffic Locations Information.


    Link to ESRI Feature Service:

    Annual Average Daily Traffic Locations in Minnesota: Annual Average Daily Traffic Locations


  6. D

    Data from: Traffic Volumes

    • detroitdata.org
    • data.ferndalemi.gov
    • +2more
    Updated May 3, 2025
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    City of Detroit (2025). Traffic Volumes [Dataset]. https://detroitdata.org/dataset/traffic-volumes
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    arcgis geoservices rest api, htmlAvailable download formats
    Dataset updated
    May 3, 2025
    Dataset provided by
    City of Detroit
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.

    The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.

    According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.

    For more information, please visit MDOT Traffic Monitoring Program.

  7. Road traffic estimates in Great Britain: 2018

    • gov.uk
    Updated May 14, 2019
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    Department for Transport (2019). Road traffic estimates in Great Britain: 2018 [Dataset]. https://www.gov.uk/government/statistics/road-traffic-estimates-in-great-britain-2018
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    Dataset updated
    May 14, 2019
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Department for Transport
    Area covered
    United Kingdom
    Description

    Estimates of road traffic by:

    • vehicle type
    • road type
    • geographical region
    • time of the day
    • day of the week
    • month

    in Great Britain for the year 2018.

    Motor vehicle traffic on Great Britain roads remained similar to 2017 levels (0.3% increase) at 328.1 billion vehicle miles (bvm).

    When compared to the year 2017:

    • car traffic remained broadly stable (increasing by 0.2%)
    • the figure of 255.0 billion vehicle miles was a new all-time high
    • van traffic grew slightly by 0.9%
    • lorry traffic remained broadly stable (increasing by 0.3%)
    • the Strategic Road Network increased slightly by 0.7%
    • motorways remained broadly stable, carrying one third motorised traffic in England
    • ‘A’ roads saw a 1.4% rise in traffic
    • minor road traffic decreased by 1.3%

    Contact us:

    Road traffic and vehicle speed compliance statistics

    Email mailto:roadtraff.stats@dft.gov.uk">roadtraff.stats@dft.gov.uk

    Media enquiries 0300 7777 878

  8. D

    2023 Traffic Volumes

    • detroitdata.org
    Updated Jul 29, 2025
    + more versions
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    City of Detroit (2025). 2023 Traffic Volumes [Dataset]. https://detroitdata.org/dataset/2023-traffic-volumes
    Explore at:
    geojson, html, xlsx, txt, gdb, csv, arcgis geoservices rest api, zip, kml, gpkgAvailable download formats
    Dataset updated
    Jul 29, 2025
    Dataset provided by
    City of Detroit
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.

    The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.

    According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.

    For more information, please visit MDOT Traffic Monitoring Program.

  9. d

    2019 Traffic Volumes

    • data.detroitmi.gov
    • data.ferndalemi.gov
    • +1more
    Updated Dec 17, 2024
    + more versions
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    City of Detroit (2024). 2019 Traffic Volumes [Dataset]. https://data.detroitmi.gov/maps/detroitmi::2019-traffic-volumes
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    Dataset updated
    Dec 17, 2024
    Dataset authored and provided by
    City of Detroit
    Area covered
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit in 2019. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.For more information, please visit MDOT Traffic Monitoring Program.

  10. D

    2021 Traffic Volumes

    • detroitdata.org
    Updated Jul 29, 2025
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    City of Detroit (2025). 2021 Traffic Volumes [Dataset]. https://detroitdata.org/dataset/2021-traffic-volumes
    Explore at:
    zip, geojson, xlsx, gpkg, html, gdb, csv, arcgis geoservices rest api, txt, kmlAvailable download formats
    Dataset updated
    Jul 29, 2025
    Dataset provided by
    City of Detroit
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.

    The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.

    According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.

    For more information, please visit MDOT Traffic Monitoring Program.

  11. D

    2022 Traffic Volumes

    • detroitdata.org
    Updated Jul 29, 2025
    + more versions
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    City of Detroit (2025). 2022 Traffic Volumes [Dataset]. https://detroitdata.org/dataset/2022-traffic-volumes
    Explore at:
    zip, gpkg, gdb, arcgis geoservices rest api, geojson, csv, html, kml, txt, xlsxAvailable download formats
    Dataset updated
    Jul 29, 2025
    Dataset provided by
    City of Detroit
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.

    The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.

    According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.

    For more information, please visit MDOT Traffic Monitoring Program.

  12. f

    Estimation results of modified Bass model using patent citations and web...

    • figshare.com
    xls
    Updated May 31, 2023
    + more versions
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    Won Sang Lee; Hyo Shin Choi; So Young Sohn (2023). Estimation results of modified Bass model using patent citations and web search traffic. [Dataset]. http://doi.org/10.1371/journal.pone.0194723.t005
    Explore at:
    xlsAvailable download formats
    Dataset updated
    May 31, 2023
    Dataset provided by
    PLOS ONE
    Authors
    Won Sang Lee; Hyo Shin Choi; So Young Sohn
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    Estimation results of modified Bass model using patent citations and web search traffic.

  13. f

    2024 Traffic Volumes

    • data.ferndalemi.gov
    • data-detroitmi.hub.arcgis.com
    Updated Dec 17, 2024
    + more versions
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    City of Detroit (2024). 2024 Traffic Volumes [Dataset]. https://data.ferndalemi.gov/datasets/detroitmi::traffic-volumes?layer=7
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    Dataset updated
    Dec 17, 2024
    Dataset authored and provided by
    City of Detroit
    Area covered
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.For more information, please visit MDOT Traffic Monitoring Program.

  14. f

    2020 Traffic Volumes

    • data.ferndalemi.gov
    • data.detroitmi.gov
    Updated Dec 17, 2024
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    City of Detroit (2024). 2020 Traffic Volumes [Dataset]. https://data.ferndalemi.gov/datasets/detroitmi::traffic-volumes?layer=3
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    Dataset updated
    Dec 17, 2024
    Dataset authored and provided by
    City of Detroit
    Area covered
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit in 2020. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.For more information, please visit MDOT Traffic Monitoring Program.

  15. a

    Traffic Counts Sites and Volume Data

    • l-a-mapping-services-lennoxaddington.hub.arcgis.com
    Updated Apr 2, 2019
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    County of Lennox & Addington (2019). Traffic Counts Sites and Volume Data [Dataset]. https://l-a-mapping-services-lennoxaddington.hub.arcgis.com/app/traffic-counts-sites-and-volume-data
    Explore at:
    Dataset updated
    Apr 2, 2019
    Dataset authored and provided by
    County of Lennox & Addington
    Description

    TERMS OF USE 1. Restriction on the use of Material on this websiteUsage and/or downloading this data indicates Your acceptance of the terms and conditions below.The data here controlled and operated by the Corporation of the County of Lennox and Addington (referred to the “County” herein) and is protected by copyright. No part of the information herein may be sold, copied, distributed, or transmitted in any form without the prior written consent of the County. All rights reserved. Copyright 2018 by the Corporation of the County of Lennox and Addington.2. DisclaimerThe County makes no representation, warranty or guarantee as to the content, accuracy, currency or completeness of any of the information provided on this website. The County explicitly disclaims any representations, warranties and guarantees, including, without limitation, the implied warranties of merchantability and fitness for a particular purpose.3. Limitation of LiabilityThe County is not responsible for any special, indirect, incidental or consequential damages that may arise from the use of or the inability to use, any web pages and/or the materials contained on the web page whether the materials are provided by the County or by a third party. Without limiting the generality of the foregoing, the County assumes no responsibility whatsoever for: any errors omissions, or inaccuracies in the information provided, regardless of how caused; or any decision made or action taken or not taken by the reader or other third party in reliance upon any information or data furnished on any web page.The Data is provided "as is" without warranty or any representation of accuracy, timeliness or completeness. The burden for determining accuracy, completeness, timeliness, merchantability and fitness for or the appropriateness for use rests solely on the requester. Lennox and Addington County makes no warranties, express or implied, as to the use of the Data. There are no implied warranties of merchantability or fitness for a particular purpose. The requester acknowledges and accepts the limitations of the Data, including the fact that the Data is dynamic and is in a constant state of maintenance, corrections and update.

  16. d

    2021 Traffic Volumes

    • data.detroitmi.gov
    • data.ferndalemi.gov
    Updated Dec 17, 2024
    + more versions
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    City of Detroit (2024). 2021 Traffic Volumes [Dataset]. https://data.detroitmi.gov/maps/detroitmi::2021-traffic-volumes/about
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    Dataset updated
    Dec 17, 2024
    Dataset authored and provided by
    City of Detroit
    Area covered
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit in 2021. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.For more information, please visit MDOT Traffic Monitoring Program.

  17. Provisional road traffic estimates, Great Britain: July 2015 to June 2016

    • gov.uk
    Updated Aug 11, 2016
    + more versions
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    Department for Transport (2016). Provisional road traffic estimates, Great Britain: July 2015 to June 2016 [Dataset]. https://www.gov.uk/government/statistics/provisional-road-traffic-estimates-great-britain-july-2015-to-june-2016
    Explore at:
    Dataset updated
    Aug 11, 2016
    Dataset provided by
    GOV.UKhttp://gov.uk/
    Authors
    Department for Transport
    Area covered
    United Kingdom
    Description

    Provisional estimates of road traffic, by:

    • vehicle type
    • road class

    in Great Britain for the year ending June 2016.

    Provisional estimates show that motor vehicle traffic was at a record high with 319.3 billion vehicle miles travelled (1.5% higher than the previous year and 1.6% higher than September 2007).

    Rolling annual motor vehicle traffic has now increased each quarter in succession for 3 years.

    Compared to the previous year all road classes experienced a rise in motor vehicle traffic, apart from urban minor roads where the traffic remained at the same level. We see that:

    • car traffic increased by 1.1% to a record 249.2 billion vehicle miles
    • van traffic continued to rise, increasing by 3.7% to a new peak of 47.8 billion vehicle miles
    • HGV traffic rose on motorways and rural ‘A’ roads, but falling on urban ‘A’ roads

    Traffic on motorways and rural ‘A’ roads increased to new record levels, rising by 2.6% and 2.9% respectively.

    Contact us:

    Road traffic and vehicle speed compliance statistics

    Email mailto:roadtraff.stats@dft.gov.uk">roadtraff.stats@dft.gov.uk

    Media enquiries 0300 7777 878

  18. f

    2018 Traffic Volumes

    • data.ferndalemi.gov
    • data.detroitmi.gov
    • +1more
    Updated Dec 17, 2024
    + more versions
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    City of Detroit (2024). 2018 Traffic Volumes [Dataset]. https://data.ferndalemi.gov/datasets/detroitmi::2018-traffic-volumes
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    Dataset updated
    Dec 17, 2024
    Dataset authored and provided by
    City of Detroit
    Area covered
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit in 2018. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.For more information, please visit MDOT Traffic Monitoring Program.

  19. f

    2017 Traffic Volumes

    • data.ferndalemi.gov
    • data.detroitmi.gov
    Updated Dec 17, 2024
    + more versions
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    City of Detroit (2024). 2017 Traffic Volumes [Dataset]. https://data.ferndalemi.gov/datasets/detroitmi::traffic-volumes?layer=0
    Explore at:
    Dataset updated
    Dec 17, 2024
    Dataset authored and provided by
    City of Detroit
    Area covered
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit in 2017. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.For more information, please visit MDOT Traffic Monitoring Program.Note: The 2017 Traffic Volume year does not include two columns included in other years. The columns (NUM_COMBINED_UNIT_CAADT and .NUM_SINGLE_UNIT_CAADT) were missing from the source data.

  20. D

    2019 Traffic Volumes

    • detroitdata.org
    Updated Jul 29, 2025
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    City of Detroit (2025). 2019 Traffic Volumes [Dataset]. https://detroitdata.org/dataset/2019-traffic-volumes
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    csv, html, gdb, zip, txt, geojson, arcgis geoservices rest api, gpkg, xlsx, kmlAvailable download formats
    Dataset updated
    Jul 29, 2025
    Dataset provided by
    City of Detroit
    Description

    This dataset contains estimates of the average number of vehicles that used roads throughout the City of Detroit. Each record indicates the Annual Average Daily Traffic (AADT) and Commercial Annual Average Daily Traffic (CAADT) for a road segment, where the road segment is located, and other characteristics. This data is derived from Michigan Department of Transportation's (MDOT) Open Data Portal. SEMCOG was the source for speed limits and number of lanes.

    The primary measure, Annual Average Daily Traffic (AADT), is the estimated mean daily traffic volume for all types of vehicles. Commercial Annual Average Daily Traffic (CAADT) is the estimated mean daily traffic volume for commercial vehicles, a subset of vehicles included in the AADT. The Route ID is an identifier for each road in Detroit (e.g., Woodward Ave). Routes are divided into segments by features such as cross streets, and Location ID's are used to uniquely identify those segments. Along with traffic volume, each record also states the number of lanes, the posted speed limit, and the type of road (e.g., Trunkline or Ramp) based on the Federal Highway Administration (FHWA) functional classification system.

    According to MDOT's Traffic Monitoring Program a commercial vehicle would be anything Class 4 and up in the FHWA vehicle classification system. This includes vehicles such as buses, semi-trucks, and personal recreational vehicles (i.e., RVs or campers). Methods used to determine traffic volume vary by site, and may rely on continuous monitoring or estimates based on short-term studies. Approaches to vehicle classification similarly vary, depending on the equipment used at a site, and may consider factors such as vehicle weight and length between axles.

    For more information, please visit MDOT Traffic Monitoring Program.

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data.cityofchicago.org (2025). Chicago Traffic Tracker - Congestion Estimates by Segments [Dataset]. https://catalog.data.gov/dataset/chicago-traffic-tracker-congestion-estimates-by-segments

Chicago Traffic Tracker - Congestion Estimates by Segments

Explore at:
Dataset updated
Nov 29, 2025
Dataset provided by
data.cityofchicago.org
Area covered
Chicago
Description

This dataset contains the current estimated speed for about 1250 segments covering 300 miles of arterial roads. For a more detailed description, please go to https://tas.chicago.gov, click the About button at the bottom of the page, and then the MAP LAYERS tab. The Chicago Traffic Tracker estimates traffic congestion on Chicago’s arterial streets (nonfreeway streets) in real-time by continuously monitoring and analyzing GPS traces received from Chicago Transit Authority (CTA) buses. Two types of congestion estimates are produced every ten minutes: 1) by Traffic Segments and 2) by Traffic Regions or Zones. Congestion estimate by traffic segments gives the observed speed typically for one-half mile of a street in one direction of traffic. Traffic Segment level congestion is available for about 300 miles of principal arterials. Congestion by Traffic Region gives the average traffic condition for all arterial street segments within a region. A traffic region is comprised of two or three community areas with comparable traffic patterns. 29 regions are created to cover the entire city (except O’Hare airport area). This dataset contains the current estimated speed for about 1250 segments covering 300 miles of arterial roads. There is much volatility in traffic segment speed. However, the congestion estimates for the traffic regions remain consistent for relatively longer period. Most volatility in arterial speed comes from the very nature of the arterials themselves. Due to a myriad of factors, including but not limited to frequent intersections, traffic signals, transit movements, availability of alternative routes, crashes, short length of the segments, etc. speed on individual arterial segments can fluctuate from heavily congested to no congestion and back in a few minutes. The segment speed and traffic region congestion estimates together may give a better understanding of the actual traffic conditions.

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