For example, for autonomous vehicles such as self-driving cars, significant road conditions can include "shadowing and lighting changes, road surface texture changes, and road markings …

The road is thus one of the oldest continuous and traceable metaphors for civilization and society. The second half of the article explains the factors behind the design, construction, and …

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.

Oct 10, 2025 · Roads are the basic public ways that link two points. Streets are public roads that have buildings on both sides and typically run perpendicular to avenues. Avenues are public …

A road is a thoroughfare, route, or way on land between two places that has been surfaced or otherwise improved to allow travel by foot or some form of conveyance, including a motor …

Often the building of new roads to alleviate such problems has encouraged further urban sprawl and yet more road travel. Long-term solutions require the provision of alternatives to car and …

Jan 8, 2025 · National Traffic and Road Closure Information National Links 511 - America's Traveler Information Telephone Number Local and State Transit Links Weather/Road …