Colorado Department of Transportation - Happy birthday to the Eisenhower-Johnson Memorial Tunnel! 40 years ago today, the now north side (Eisenhower) bore first opened to traffic. For those who didn't know, today
![CDOT and Kraemer North America begin work to replace structurally deficient emergency access structure near Eisenhower-Johnson Memorial Tunnel | WesternSlopeNow.com CDOT and Kraemer North America begin work to replace structurally deficient emergency access structure near Eisenhower-Johnson Memorial Tunnel | WesternSlopeNow.com](https://www.westernslopenow.com/wp-content/uploads/sites/95/2021/04/c-dot.jpg)
CDOT and Kraemer North America begin work to replace structurally deficient emergency access structure near Eisenhower-Johnson Memorial Tunnel | WesternSlopeNow.com
![Great American Infrastructure: The Eisenhower Memorial Tunnel - InfrastructureUSA: Citizen Dialogue About Civil Infrastructure Great American Infrastructure: The Eisenhower Memorial Tunnel - InfrastructureUSA: Citizen Dialogue About Civil Infrastructure](https://www.infrastructureusa.org/wp-content/uploads/2011/12/screen-shot-2011-12-12-at-22942-pm.png)
Great American Infrastructure: The Eisenhower Memorial Tunnel - InfrastructureUSA: Citizen Dialogue About Civil Infrastructure
![Forty years ago, the Eisenhower and Johnson Memorial tunnels became the state's transportation linchpin | PostIndependent.com Forty years ago, the Eisenhower and Johnson Memorial tunnels became the state's transportation linchpin | PostIndependent.com](https://swiftmedia.s3.amazonaws.com/mountain.swiftcom.com/images/sites/6/2016/06/24150525/JusttheFacts-VDN-112814-1-1240x930.jpg)
Forty years ago, the Eisenhower and Johnson Memorial tunnels became the state's transportation linchpin | PostIndependent.com
![Listen to history: The construction of the Eisenhower-Johnson Memorial Tunnel, the highest vehicle tunnel in America | SummitDaily.com Listen to history: The construction of the Eisenhower-Johnson Memorial Tunnel, the highest vehicle tunnel in America | SummitDaily.com](https://swiftmedia.s3.amazonaws.com/mountain.swiftcom.com/images/sites/2/2018/03/23203141/DSC_4608_aerial-1240x824.jpg)
Listen to history: The construction of the Eisenhower-Johnson Memorial Tunnel, the highest vehicle tunnel in America | SummitDaily.com
![5 things to know on the 50th anniversary of construction starting on the Eisenhower-Johnson Memorial Tunnels | Colorado Public Radio 5 things to know on the 50th anniversary of construction starting on the Eisenhower-Johnson Memorial Tunnels | Colorado Public Radio](https://wp-cpr.s3.amazonaws.com/uploads/2020/11/201111-EISENHOWER-TUNNEL-I70-.jpg)