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Whittier Tunnel - Alaska Railroad

The Anton Anderson Memorial Tunnel is a landmark effort that boasts several "firsts": The longest highway tunnel in North America. The longest combined rail-highway use tunnel in North America. The first tunnel in the United States that has a ventilation system that combines jet and portal fans. The first tunnel with a unique computerized traffic-control system that regulates both rail and highway traffic. The first tunnel designed to operate in temperatures down to minus 40 degrees F. and in winds up to 150 mph. The portal buildings are designed to withstand avalanches.


Site URL: http://dot.alaska.gov/creg/whittiertunnel/index.shtml
Date resource added: 29-Aug-2000
Hits from this site: 1757
Viwer Rating: 8.50
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