Extreme Engineering Building Alaskan Highway Mega Structure | World Famous Highway



The Alaska Highway (also known as the Alaskan Highway,
Alaska-Canadian Highway, or ALCAN Highway) was constructed
during World War II for the purpose of connecting the
contiguous United States to Alaska through Canada. It begins
at the junction with several Canadian highways in Dawson
Creek, British Columbia, and runs to Delta Junction, Alaska,
via Whitehorse, Yukon. Completed in 1942 at a length of
approximately 1,700 miles (2,700 km), as of 2012 it is 1,387
mi (2,232 km) long. The difference in distance is due to
constant reconstruction of the highway, which has rerouted
and straightened out numerous sections. The highway was
opened to the public in 1948. Legendary over many decades for
being a rough, challenging drive, the highway is now paved
over its entire length.
An informal system of historic mileposts developed over the
years to denote major stopping points; Delta Junction, at the
end of the highway, makes reference to its location at
“Historic Milepost 1422.” It is at this point that the Alaska
Highway meets the Richardson Highway, which continues 96 mi
(155 km) to the city of Fairbanks. This is often regarded,
though unofficially, as the northern portion of the Alaska
Highway, with Fairbanks at Historic Milepost 1520. Mileposts
on this stretch of highway are measured from Valdez, rather
than the Alaska Highway. The Alaska Highway is popularly (but
unofficially) considered part of the Pan-American Highway,
which extends south (despite its discontinuity in Panama) to
Argentina. .

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