Eisenhower Tunnel

The Eisenhower Tunnel, officially the Eisenhower–Edwin C. Johnson Memorial Tunnel, is a dual-bore, four-lane vehicular tunnel in the western United States, approximately 60 miles west of Denver, Colorado. The... Wikipedia

• Location:  Approx. 60 mi (96.56 km) west of Denver, Colorado
• Crosses:  Continental Divide
• Opened:  1973 Eisenhower (westbound), 1979 Johnson (eastbound)
• Operator:  Colorado Department of Transportation
• Character:  Twin-bore tunnel
• Vehicles per day:  32,260 vehicles (2007)
• Length:  1.69 mi (2.72 km) westbound, 1.7 mi (2.73 km) eastbound
• Highest elevation:  11,158 ft (3,400.96 m), west portal
• Lowest elevation:  11,013 ft (3,356.76 m), east portal
• Tunnel clearance:  13.92 ft (4.24 m)
• Width:  40 ft (12.19 m) each
• Grade:  1.64%
• Data source:  DuckDuckGo