United States Numbered Highway System - Wikipedia
Study: I-10 in Arizona is one of most deadly stretches of U.S. highway in summer
The Math Inside the US Highway System – BetterExplained
Difference Between Interstate and Highway | Difference Between
U.S. highway conditions deteriorating, in some states more than others - Transportation Today
Coast-to-Coast Road Tripping Along U.S. Highway 60 · Escapees RV Club
The world's longest highways
Worst U.S. highway conditions: Where does New York rank? - silive.com
The 10 most dangerous roads in the U.S.
The Complex History of the U.S. Interstate Highway System
The Best and Worst Highways in America
What Is an Interstate Highway? | Wonderopolis
What Are the Differences Between a Highway, Freeway, and Interstate?
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/44418360/6171216582_6df86d27bd_b.0.0.jpg "Before-and-after maps show how freeways transformed America's cities - Vox")
Before-and-after maps show how freeways transformed America's cities - Vox
Map of the US highway system
RESTORING THE INTERSTATE HIGHWAY SYSTEM:
America's Interstate Highway System, Explained - YouTube
Interstate highway system safety features save 'thousands of lives annually': report | 2021-07-19 | Safety+Health
An Explanation of the Often Confusing US Interstate Highway Numbering Conventions
Could the US highways that split communities on racial lines finally fall? | US domestic policy | The Guardian
The Math Inside the US Highway System – BetterExplained
The US Is Gently Discouraging States From Building New Highways | WIRED
U.S. highway expansions increase traffic and pollution, environmental groups say | Reuters
The longest road in America runs through 12 states – The Hill
