Moffat Tunnel
The Moffat Tunnel is a railroad and water tunnel that cuts through the Continental Divide in north-central Colorado. Named after Colorado railroad pioneer David Moffat, the tunnel's first railroad traffic passed through in February 1928.
Fifty miles (80 km) west of Denver is the East Portal in the Front Range, about 10 miles (16 km) west of the town of Rollinsville, Colorado at 39°54′08″N 105°38′46″W / 39.90235°N 105.6461°W. The West Portal is near the Winter Park Resort ski area at 39°53′15″N 105°45′41″W / 39.887434°N 105.761347°W. The railroad tunnel is 24 feet (7.3 m) high, 18 feet (5.5 m) wide, and 6.2 miles (10.0 km) long. The apex of the tunnel is at 9,239 feet (2,816 m) above sea level. The Moffat Tunnel finally provided Denver with a western link through the continental divide, as both Cheyenne, Wyoming to the north and Pueblo, Colorado to the south already enjoyed rail access to the West Coast. It follows the right-of-way laid out by Moffat in 1902 while he was seeking a better and shorter route from Denver to Salt Lake City. The water tunnel and the railroad tunnel parallel each other; the water tunnel delivers a portion of Denver's water supply.