https://flipboard.com/@exploredotcom/5-of-the-longest-road-trip-routes-in-the-us-that-aren-t-for-the-faint-of-heart-r14ismq6cn474kce
5 Of The Longest Road Trip Routes In The US That Aren't For The Faint Of Heart | Flipboard
Apr 24, 2026 - Scientific minds may have figured out the most efficient road trip route across America, but what about the longest and most grueling road trip routes in the...
the longest road
https://www.autocar.co.uk/car-news/slideshow/longest-road-tunnels-world-1
The longest road tunnels in the world | Autocar
Apr 4, 2026 - Join Autocar for a look at the some of the world's greatest underground construction projects
the longest roadin worldtunnelsautocar