The Eisenhower/Johnson Memorial Tunnels are located approximately sixty miles west of Denver, Colorado on Interstate 70, and are a part of the Colorado Department of Transportation. We are one of nine Maintenance and Operations Sections dedicated to developing and maintaining the best possible multi modal transportation system for Colorado that most effectively moves people, goods and information.
The Eisenhower Tunnel Turns 40
March 8, 2013, marked the 40th anniversary of the dedication and opening of the westbound bore or the Eisenhower Tunnel at the Eisenhower/Johnson Memorial Tunnel west of Denver, which is the highest vehicle tunnel in the world at 11,155 feet. The Eisenhower Tunnel was the first of two bores to open to help facilitate easier transportation between Colorado’s east and west slopes.