Line segments depicting the roads in Hillsborough County, FL. by maintenance authority. This includes all Interstate, U.S., and State of Florida highways in addition to local roads, in incorporated and unincorporated Hillsborough County. It also includes some trails and other “undriveable” features.

This polyline feature class contains the Inventory of Right of Way for Hillsborough County excluding Cities and Platted Areas.The drawings that make up the Hillsborough County Right of Way Inventory Program show platting, recording, mapping or other sources of right of way information where available. In areas where the maintained right of way limits were spotted and field data collected, the drawings provide that line work in the layer (Sv-rdrw-mant-lin, the "orange" layer) as located, in NAD 83 Adjustment of 1990 SPC grid. The field location documentation for the limits of maintained right of way layer is referenced in a separate XLS file with information as to when and by whom the limits of maintenance were spotted. The limits of maintained right of way are required to be used in the preparation of plats made to be recorded in Hillsborough County. In the case of right of way that is depicted in “modern plats” the State Plane Co-ordinate data shown on plats was used to incorporate these plats into the Hillsborough County Right of Way Inventory drawings.Definitions of Right of Way as used in the Hillsborough County Right of Way Inventory:1.) Right of Way by Deed - Right of Way Owned by Hillsborough County by a recorded deed specifically to Hillsborough County.2.) Right of Way by Plat - Right of Way that has been dedicated by a recorded subdivision plat.3.) Right of Way by Deed Exception - Right of Way whereby specific footage has been explicitly exempted from a deed.4.) Right of Way by Property Line - Right of Way whereby the property line defined by a deed follows the same line as the right of way so that both lines are co-incident.5.) Limits of Maintenance – The physical limits of the maintenance of a road as delineated by the Road and Street maintenance division of the Public Works Department, where no other right of way dedication exists or where the maintenance limits exceed the described property lines in a significant manner.

Drainage data is provided by Miami Dade County to FDOT District 6. The data (structures and pipes) is clipped to 100 foot buffer of the state road center line. Attribute data is collected by Miami Dade County. Updates are made on a quarterly basis.