Rare

Tunnel

What It Is

A road passage cut through a mountain, hill, or under a body of water.

How Rare Is It on Road Trip Bingo?

Rare. Limited to mountainous regions or major urban crossings; flat-terrain routes may not have one at all.

Spotting Tip

Mountain routes through the Appalachians, Rockies, or similar terrain are where you're most likely to pass through one.

Fun Fact

The Eisenhower Tunnel in Colorado, at over 11,000 feet elevation, is one of the highest vehicular tunnels in the world and was named for the president who championed the interstate highway system.

Ready to keep hunting? Head back to the game to check Tunnel off your card, or browse the full spotting guide.