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.
Federal Highway Administration
For more information see the Colorado Department of Transportation's Eisenhower/Johnson Memorial Tunnels web site.
Send a Question or Comment to Appleton Public Library.
9am - 8pm Monday-Thursday
9am - 6pm Friday
9am - 1pm Saturday
Seasonal Hours & Closings
Reasonable accommodations for persons with disabilities will be made upon request and if feasible.
Member of the Outagamie-Waupaca Library System.©2016 Appleton Public Library 225 N Oneida St, Appleton, WI 54911 920-832-6173