Jan 1, 2026 · The definitive source for all information pertaining to the highway system of the Commonwealth of Pennsylvania.

PennDOT oversees programs and policies affecting highways, airports, railroads, ports, and waterways.

Some highways, like the Pan-American Highway or the European routes, span multiple countries. Some major highway routes include ferry services, such as US Route 10, which crosses Lake Michigan.

This US road map displays major interstate highways, limited-access highways, and principal roads in the United States of America. It highlights all 50 states and capital cities, including the nation’s capital …

Dec 5, 2025 · Pennsylvania Department of Transportation Links: 511 Pennsylvania Statewide Traveler Information including road conditions, cameras, weather Other Government Travel Information Links: …

This map shows the Interstate highways in the contiguous US, color-coded by route number and type. (Alaska, Hawaii, and Puerto Rico also have Interstate highways, but use separate numbering systems.)

Learn more about the design, construction, and maintenance of the Nation’s highway system by contacting the Federal Highway Administration (FHWA) or visiting its website.

Comprehensive coverage of roads and highways across the United States featuring route-based photo guides, highway history, and trip planning resources.

The National Highway System (NHS) consists of roadways important to the nation’s economy, defense, and mobility. Maps of the NHS, as well as its components are made available on this page. For more …

Mar 6, 2026 · USA Road Map showing the United States road network, including Interstate Highways, U.S. Highways, State Routes, and major roads across the country.