Geospatial data about South Dakota Mile Markers. Export to CAD, GIS, PDF, CSV and access via API.

Feature layer containing authoritative greenway mile marker points for Sioux Falls, South Dakota.

11/22/2024 – The 4 lanes of US 85 from south of the Little Missouri to south of Watford City was added, US 2 was realigned near RP 313, about 2 miles east of Petersburg. There have also been numerous intersections and ramps "trued up" for preparation of MIRE intersections. 1/27/2022 – Business 94 at Dickinson Interchange 64 – The NE & SE ramps were realigned due to 2021 construction. The 2 ramps and 94B were adjusted to a single intersection. Hwy 20 between reference points 87 and 90 was realigned due to a grade raise several years ago.3/1/21 - Realigned the following highways: Hwy 1804 - Mileposts 300–301, 303–305, and 317-317.979, Hwy 85 - Mileposts 123-130, Hwy 23A – Milepost 911 and Hwy 35 - Mileposts 0–12/3/2020 – Minot Bypass - Added the southbound route to Hwy 83B (Route ID = 10). This includes realignment of the south bound ramp at reference point 921.5. Also realigned two ramps at the I94 and University Drive interchange in Fargo.12/4/19 - NewTown Bypass – 1.3714 miles was added to Route ID 297. A new reference point was created at the intersection of Route ID 297 and Route ID 205 (Hwy 23) at 48.684 and at 925.629 (Hwy 23B). Reference points were also created at 926 and 927 on Route ID 297 (Hwy23B). The ramps at the Sheyenne Interchange in West Fargo were updated. The Route ID = 169. The 5 existing ramps were realigned and 3 other ramps were created.9/13/18 - Route ID 4/253 - US 2 Business in Williston, alignment change as it intersects US 2. Route ID 67 - 32nd Avenue interchange on I-29, addition of exit ramp for I-29 Southbound traffic. Route ID 205 - alignment change at the intersection of ND 23 and County Roads 55 and 103/21/17 - Route ID 68 Interchange 64.252 on I-29 in Fargo. This interchange is 13th Avenue and I-29 one leg of the ramp was realigned.1/25/17 - started to maintain roads in Esri's Road and Highways. The shapes now contain measures in miles along with the associated linear referencing/roads and highways fields.9/22/16 - added Killdeer Bypass 1. ND 22 North Route ID = 272, Created a new alignment for ND 22 west of Killdeer that begins with intersection of ND 200 and travels northeasterly to a junction with ND 22B north of Killdeer. New reference points were created on the new alignment as follows: 105.710 intersection of ND 22 and ND 200, 106, 107, 108, 109, 109.518 intersection of ND 22 and ND 22B north of Killdeer.2. ND 22 Business (Killdeer) Route ID = 302, The existing ND 22 through Killdeer becomes ND 22 Business due to the completion of a bypass route constructed west of Killdeer. New reference points were created as follows: 940.466 this junction of ND 22, ND 200 and ND 22B. Current ND 22 reference points through Killdeer remain in place but the number changes as follows: 105.000 = 941.000, 106.000 = 942.000, 107.000 = 943.000, 108.000 = 944.000, 109.000 = 945.000. Reference point 945.518 intersection of ND 22B and ND 22 north of Killdeer was also created.3. ND 200 East Route ID = 200, A new reference point 93.247 was created for the intersection of ND 22 and ND 200 west of Killdeer.9/6/16 by bb - added Dickinson Bypass and associated Reference Points.3/1/16 by bb - realigned US 85 North Route ID = 261 to match 2015 NAIP. Added Ramps on 94 at Mile Marker 56.668.10/20/2015 by bb - 1. US 85 North Route ID = 261, Created new alignment for US 85 North that follows the permanent NW Bypass at Williston. New reference points were created as follows: 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 196.705 this is the junction of US 85 and US 2 north of Williston.2. US 85 South Route ID = 300, Created new alignment for US 85 South that completes the four lane project between Alexander and Williston. New reference points were created as follows: 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, and 183.743. This is the junction with the US 2 west of Williston. Created new alignment for US 85 that follows the permanent NW Bypass at Williston. New Reference points created as follows: 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 196.705 this is the junction of US 85 and US 2 north of Williston.3.US 2 East Route ID = 253, alignment change north of Williston at junction of US 85, also created new reference point 25.674 at the intersection of US 85 on north end of NW Permanent Bypass.4. US 2 West Route ID = 254, alignment change north of Williston at junction of US 85, also created new reference point 25.674 at the intersection of US 85 on north end of NW Permanent Bypass.5. ND 3 Route ID = 263, Realignment and grade raise south of Junction of ND 200 west of Hurdsfield has been corrected.2/6/15 by bb - An extension of ND 46 has been added to the State Highway system. The segment of roadway east of I-29 was removed from the State Highway system in 1977. As of May 2011, a document showing a maintenance agreement with a county, as required by State Law to transfer responsibility, has not been found. The Fargo District has been doing basic maintenance on this segment. The segment of road that begins at I-29 and extends to the east until the intersection CMC 0957 is added to the State Highway system. The addition will result in an increase of 0.4 miles. This addition has also created a new reference point 120.823 which is at the end of the highway, reference point 120.318 is moved to the center of the structure on I-29.11/26/14 by bb - The changes to ND 23A are as follows: Reference point 900.000 becomes 910.000, 901.000 becomes 911.000, and 901.526 becomes 911.526. These changes are being made to help eliminate the confusion with the reference points on ND 23B also in Watford City, currently 901.000 appears on both highways.11/18/14 by bb - added New Town Bypass11/3/14 by Gerald - extended US85 Southbound to Mile Marker 172US 85 South Route ID = 300, Created new alignment for US 85 South that follows the Watford City SW Bypass and the West Bypass at Alexander as well as the new alignment for the 4-lane project that continues to reference point 172.000 which is north of McKenzie County Highway 16. New reference points were created as follows: 139.082 beginning of highway south of Watford City, 140.831 junction with the US 85 Business in Watford City, 145.659 junction of US Business west of Watford City, 160.505 junction with US 85 Business south of Alexander, 163.506 junction of US 85 north of Alexander. Created all whole number reference points between 139.082 and reference point 172.000.10/29/14 by Gerald 1. ND 23 Business Route ID = 297, Changed existing ND 23 in Watford City from the previous Junction of US 85 to the Junction of ND 1806 to ND 23B also changed the reference points 0.000 = 900.000, 1.000 = 901.000, 1.350 = 901.350, 2.000 = 902.000, 3.000 = 903.000, 3.353 = 903.3532. ND 23 East Route ID = 205, Watford City SE Bypass from the previous Junction of US 85 continuing northeasterly to the current alignment of ND 23. New reference point 0.533 was created for the beginning of the route as well as reference point 3.701 which is the Junction with ND 1806 extension.3. ND 23 West Route ID = 299, Watford City SE Bypass from the previous Junction of US 85 continuing northeasterly to the current alignment of ND 23. New reference point 0.533 was created for the beginning of the route as well as reference point 3.751 which is the termination point of this route.4. ND 1806 Route ID = 271, Created an extension of ND 1806 from the Junction of ND 23 B north of Watford City to the Junction of the ND 23 along the new alignment. New reference point 311.577 was created for the intersection.5. US 85 North Route ID = 261, Created new alignment for US 85 North that follows the Watford City SW Bypass and the West Bypass at Alexander as well as the new alignment for the 4-lane project that continues to the Junction of US 2 at Williston. New reference points were created as follows: 140.831 junction with the US 85 Business in Watford City, 145.659 junction of US Business west of Watford City, 160.505 junction with US 85 Business south of Alexander, 163.506 junction of US 85 north of Alexander.6. US 85 South Route ID = 300, Created new alignment for US 85 South that follows the Watford City SW Bypass and the West Bypass at Alexander as well as the new alignment for the 4-lane project that continues to the Junction of ND 200 North of Alexander. New reference points were created as follows: 140.831 junction with the US 85 Business in Watford City, 145.659 junction of US Business west of Watford City, 160.505 junction with US 85 Business south of Alexander, 163.506 junction of US 85 north of Alexander. Created a new reference point 139.082 which is the beginning point for US 85 South along with all reference points between this point and the Junction of ND 200 North of Alexander.7. US 85 Business North Route ID = 298, The existing route US 85 through Watford City and Alexander becomes US 85 Business due to the completion of the Bypass routes. New reference points that were created are: 950.000 intersection with US 85, 950.555 intersection with ND 23, 951.000, 952.000, 952.486 intersection with ND 23 A, 952.707 intersection with ND 23 B, 953.000, 954.000, 955.000, 956.000, 956.233 intersection with US 85 west of Watford City, 970.079 intersection with US 85 south of Alexander, 971.000, 972.000, 973.000 intersection with US 85 north of Alexander.8. Several small alignment changes occurred due to construction projects: ND 8 Junction ND 50 to Bowbells. ND 22 slide repair through the badlands. ND 57 and ND 20 South of Devils Lake. ND 31 bridge replacement 13 miles north of South Dakota Border. ND 23A in Watford City, this highway had the wrong designation as ND 23B, this change corrected this error and is now correctly designated as ND 23A.9. Junction of ND 1804 and ND 58 near Trenton, the intersection of these two highways was realigned.10. US 2 alignment in Williston near 11th street to near 9th Ave NW.Changed all RTE_SIN codes to either I, U, or S.2/15/13