U.S. highways could be paved with gold - MarketWatch
National Highway System (United States) - Wikipedia
Controlled-access highway - Wikipedia
: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
What Are the Differences Between a Highway, Freeway, and Interstate?
I-35 deemed on of the most dangerous roads in the U.S.
54,554 Interstate Highway Images, Stock Photos & Vectors | Shutterstock
The world's longest highways
Longest Interstate Highways in the United States - WorldAtlas
The story of the Chinese mainland's first expressway - CGTN
Widening Highways Doesn't Fix Traffic. So Why Do We Keep Doing It? - The New York Times
U.S. 75 is getting a makeover to add technology lanes, reduce traffic
The world's biggest road networks
Roads to nowhere: how infrastructure built on American inequality | Cities | The Guardian
Longest Interstates in the U.S. - 7 of the Longest U.S. Interstates
Walla Walla agencies prioritize US 12 lane project for state, federal funding | Governments | union-bulletin.com
U.S. highway expansions increase traffic and pollution, environmental groups say | Reuters
Could the US highways that split communities on racial lines finally fall? | US domestic policy | The Guardian
The US Is Gently Discouraging States From Building New Highways | WIRED
The 15 Most Dangerous Highways in the U.S. | Condé Nast Traveler
54,554 Interstate Highway Images, Stock Photos & Vectors | Shutterstock
Timeline - Contributions and Crossroads: Our National Road System's Impact on the U.S. Economy and Way of Life (1916- 2016) | Federal Highway Administration
Happy St. Paddy's Day? Worst cloverleaf interchanges in US - FreightWaves
Phoenix-area weekend freeway closures slated for I-10, US 60 and loops 101, 202
