The Union Pacific will be doing extensive track work on the Moffat Tunnell Subdivision in Colorado this summer. While replacement railroad ties are installed in the historic Moffat Tunnel, Amtrak will detour passengers trains to the original transcontinental route through Wyoming and Utah. The detour is needed to allow crews to replace 81,750 wooden railroad ties, each of which is 9 feet long and weighs 285 pounds. The replacements will be on both the Denver and Winter Park approaches to the tunnel, as well as some within the 76-year-old structure.
The ties - made of fir, pine and oak may last 35 years outside and a bit longer inside the tunnel. During the closures, 325 railroad workers will exchange the railroad ties and replace 7 1/2 miles of curved track.
The detours will occur on trains #5 & #6 originating on June 7-14, June 22-29, July 7-14 and July 22-29. On these trips, the California Zephyr will travel between Denver and Salt Lake City via a northern route through Wyoming, making no intermediate station stops. The detour will follow a portion of the original transcontinental Union Pacific route completed in 1869. While the scenery is less mountainous than the California Zephyr`s regular routing, it offers broad vistas of the high plains and an opportunity to see pronghorn antelope and other wildlife.
Amtrak will provide alternate motor-coach transportation between Denver and Glenwood Springs and Grand Junction during those periods. Passengers traveling between Chicago and Denver or between Salt Lake City and the San Francisco Bay Area will be unaffected.
Service to Fraser-Winter Park, Colo.; Granby, Colo.; Green River, Utah, Helper, Utah, and Provo, Utah, will be suspended on the days of the train`s detour. Passengers already ticketed to those stations are being notified of the service suspensions.
Amtrak will also notify all passengers ticketed between Denver and Salt Lake City during the 32 days of the detour and/or the alternate transportation from Denver to and from Glenwood Springs and Grand Junction. Passengers will be offered travel on alternate days or refunds.