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 ...

[F]or many Vermont businesses and attractions, their nearest interstate exit number is a key line in their advertising. But soon, those numbers may change. State transportation officials will meet ...

OKLAHOMA CITY (KFOR) — Metro area drivers will soon notice new signage going up on several local highways designating them as interstate highways. On Tuesday, the Oklahoma Turnpike Authority’s (OTA) ...

CONCORD — State transportation officials say they will seek legislative approval to change the numbering of all its state highway exits. The federal highway agency has adopted policies to require all ...

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 ...

Legislation dictating how a future expansion of Interstate 27 will be named recently passed the U.S. House of Representatives, marking another win for the Ports-to-Plains Corridor. The I-27 Numbering ...

HAVERHILL — If you've traveled Interstates 93 or 495 in the Merrimack Valley recently, you may have noticed that exit numbers are not what they used to be. The state is engaged in making a change from ...