Tunnels to Explore in Arizona
Checkout places to visit in Arizona
Tunnels by destinations in Arizona
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Tunnels to Explore in Arizona
Mule Pass TunnelThe Mule Pass tunnel, Believed to be the longest tunnel in Arizona. Locals call it "The Time Tunnel". Mule Pass Tunnel created a new gateway into Bisbee. It also cut 10 minutes off the drive over the 6,030-foot-high pass on US 80 into the southeastern Arizona mining town. The road is now known as State Route 80, and the Highway Department is now the Arizona Department of Transportation.