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Question:
What is the highest point on an interstate highway?
Answer:
The highest point on an interstate highway is the west portal of the Eisenhower Tunnel on Interstate 70 in Colorado, which is 11,153 feet above sea level.
Source:
Federal Highway Administration
Notes:
For more information see the Colorado Department of Transportation's Eisenhower/Johnson Memorial Tunnels web site.
Subject:
Roads--highest
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