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CRS - Functional Classification
Functional Classification is used in determining eligibility for Federal funding programs. The Federal Highway Administration (FHWA) identifies Functional Classification as a... -
HOV
High-Occupancy Vehicle (HOV) lane, also known as the carpool or diamond lane, is a traffic management strategy to promote and encourage ridesharing; thereby alleviating... -
Express Lanes
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 easily... -
National Highway System
Under MAP-21, the Enhanced NHS is composed of rural and urban roads nationwide serving major population centers, international border crossings, intermodal transportation... -
Bottlenecks
Bottleneck Mapping is a subproject of the Mobility Performance Report, which is one of the products of the Mobility Performance Reporting and Analysis Program (MPRAP). The... -
State Highway Bridges
The bridge inventory data was obtained from Caltrans Structure Maintenance and Investigations (SM&I) Database as of 05/08/2020. SM&I performs bridge inspections in... -
Agricultural Inspection Stations
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 noxious... -
Park and Ride
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 vehicles to... -
Rest Areas
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 Areas provide... -
Truck Volumes AADT
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 count... -
Vistas
Vista points are informal pullouts where motorists can safely view scenery or park and relax. They do not include rest rooms. Vista points may have facilities including... -
Traffic Volumes AADT
This traffic volumes feature class containing Traffic Volumes (also known as Traffic Counts) on California state highway network created from AADT excel spreadsheet file...
