Bobby Hopper Tunnel
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The Bobby Hopper Tunnel is a highway tunnel located on Interstate 540 in Arkansas, just north of the Crawford/Washington county line.
The tunnel is approximately one mile (1.6 km) in length, and is the only highway tunnel in the State of Arkansas. No toll is charged.
It was named for the director of the Arkansas Highway Commission (a resident of nearby Springdale, Arkansas) during the time of its construction.