Tools & Resources
Federal Functional Classification
The Federal-aid system is identified by the functional classification of routes, which determine the route's eligibility for federal funding. Generally, federal highway funding cannot be spent on roads that are not at least classified as a “minor collector” in the urban area or a “major collector” in the rural area. Federal-aid eligible routes are identified in color on the map. "Local" routes are not eligible for federal aid. Federal functional classifications are assigned based on a roadway’s role in providing access and mobility in the region.
Intelligent Transportation Systems (ITS) refers to an assortment of technologies, system infrastructure, and transportation management concepts such as coordinated signal systems, dynamic message signs, ramp meter signals on the freeway, CCTV traffic cameras, and transit related systems.
National Highway System
The National Highway System is a network of strategic highways within the United States, including the Interstate Highway System and other roads serving major airports, ports, rail or truck terminals, railway stations, pipeline terminals and other strategic transport facilities.