The Interstate Highway System - Definition, Purpose & Facts
Could the US highways that split communities on racial lines finally fall? | US domestic policy | The Guardian
Coast-to-Coast Road Tripping Along U.S. Highway 60 · Escapees RV Club
The way U.S. highways are numbered is surprisingly systematic. - Upworthy
America's 50 longest highways
Difference Between Interstate and Highway | Difference Between
Interstate Highway | U.S. Climate Resilience Toolkit
United States Numbered Highway System - Wikipedia
The US Is Gently Discouraging States From Building New Highways | WIRED
The Math Inside the US Highway System – BetterExplained
Longest Interstate Highways in the United States - WorldAtlas
The Math Inside the US Highway System – BetterExplained
RESTORING THE INTERSTATE HIGHWAY SYSTEM:
The Best and Worst Highways in America
U.S. highway expansions increase traffic and pollution, environmental groups say | Reuters
What Are the Differences Between a Highway, Freeway, and Interstate?
Bill to study changes in highway use introduced for the first time in 25 years
U.S. highway conditions deteriorating, in some states more than others - Transportation Today
Study: I-10 in Arizona is one of most deadly stretches of U.S. highway in summer
US interstate highways need overhaul, says new report
The longest road in America runs through 12 states – The Hill
Map of the US highway system
Worst U.S. highway conditions: Where does New York rank? - silive.com
National Highway System (United States) - Wikipedia
The U.S. INTERSTATE HIGHWAY SYSTEM Explained - YouTube
