The United States' numbered highway system, established in 1926, unified travel with a logical numbering convention for US Highways and later the Interstate Highway System. These interconnected routes ...

OLYMPIA, Wash. - The Washington State Department of Transportation (WSDOT) is opening the floor for statewide feedback on what the future of state highway preservation and maintenance will look like.

COLUMBIA – Navigating Missouri’s lettered supplemental route system can sometimes feel like trying to navigate a jumbled mess. Instead of saying 'Route OO' and 'Route AA,' Sabrina Hays of Queen Beez ...

Ever wondered how the highway and interstate numbers came to be? What do they even mean if they mean anything at all? Behind those numbered shields displayed on the signs is a mathematical logic grid ...

Federal, state and local transportation agencies frequently discuss the urgent need to modernize and update our nation’s infrastructure. Less discussed is the need to extend that need beyond physical ...

Alaska’s ferry service will not offer the popular cross-gulf sailings between Southeast Alaska and Southcentral Alaska for the fourth year running due to a staffing shortage, director Craig Tornga ...