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Federal
Collection Highway Performance Monitoring System (HPMS) recent views
Department of Transportation —
HPMS compiles data on highway network extent, use, condition, and performance. The system consists of a geospatially-enabled database that is used to generate reports... -
State
Traffic Volumes AADT recent views
State of California —
This traffic volumes feature class containing Traffic Volumes (also known as Traffic Counts) on California state highway network created from AADT excel spreadsheet... -
State
Express Lanes recent views
State of California —
The California HOV/Express Lane Business Plan is a framework for Caltrans and its partners to focus statewide activity during 2009-2011 that will lead the state to... -
State
State Highway Bridges recent views
State of California —
The bridge inventory data was obtained from Caltrans Structure Maintenance and Investigations (SM&I) Database as of 05/08/2020. SM&I performs bridge... -
State
Agricultural Inspection Stations recent views
State of California —
The California Department of Food and Agriculture (CDFA) is mandated to prevent the introduction and spread of injurious insect or animal pests, plant diseases, and... -
State
CRS - Functional Classification recent views
State of California —
Functional Classification is used in determining eligibility for Federal funding programs. The Federal Highway Administration (FHWA) identifies Functional... -
State
SHN Postmiles Tenth recent views
State of California —
Postmiles are valid postmile points at 0.1 (1/10th) mile intervals, based on the Caltrans Linear Referencing System, updated to match TSN as it appeared on 1 October... -
Interstate Highways recent views
District of Columbia —
Roadway Street Blocks representing Interstates, Freeways, Expressways in the District, This data set was created to act as a basis for public and private institutions... -
State
Bottlenecks recent views
State of California —
Bottleneck Mapping is a subproject of the Mobility Performance Report, which is one of the products of the Mobility Performance Reporting and Analysis Program... -
State
National Highway System recent views
State of California —
Under MAP-21, the Enhanced NHS is composed of rural and urban roads nationwide serving major population centers, international border crossings, intermodal... -
State
Park and Ride recent views
State of California —
California’s Managed Lanes comprise of HOV Lanes, Express Lanes and Park and Ride facilities. Park and ride lots provide a location for individuals to park their... -
State
Truck Volumes AADT recent views
State of California —
Annual average daily truck traffic is the total truck traffic volume divided by 365 days. Truck counting is done throughout the state in a program of continuous truck... -
State
Rest Areas recent views
State of California —
Caltrans provides Safety Roadside Rest Areas as a part of the State Highway System pursuant to Streets and Highways Code, Sections 218-226.5. Safety Roadside Rest... -
State
Road Centerlines recent views
State of Oregon —
OR-Trans is a GIS road centerline dataset compiled from numerous sources of data throughout the state. Each dataset is from the road authority responsible for (or... -
State
CT Buffered Road recent views
State of Connecticut —
Connecticut Buffered Roads is 1:24,000-scale base map data. This layer is intended to be used with the Roads and Trails layer to reproduce the cartographic symbology... -
State
Connecticut Routes recent views
State of Connecticut —
It is derived from the Connecticut Route Segments layer, which is based on spatial information from the U.S. Bureau of Census that was published for Connecticut by... -
State
Connecticut Road recent views
State of Connecticut —
Connecticut Roads and Trails is 1:24,000-scale base map data. It depicts the location of all roads and trails published on the USGS topographic quadrangle maps. For...