The "0" in its route number indicates that US 20 is a coast-to-coast route.
This is because US 20 was not a planned coast-to-coast route while US 30 was.
It may be a skeleton network by European standards, but Amtrak can take you the length and breadth of the country, with five different coast-to-coast routes.
Since then, partly in response to America West's low prices, most airlines have been cutting fares on highly competitive coast-to-coast routes.
In contrast to her time on the North Atlantic, Kroonland encountered few weather or mechanical delays on the coast-to-coast route.
On Sept. 15, Southwest will start flying from Baltimore to Los Angeles, opening its first coast-to-coast route.
From 1915 to 1923, Galion was on the original route of the Lincoln Highway, America's first coast-to-coast route.
The Lincoln Highway's coast-to-coast route also cut across the Red Desert as it passed through Wyoming.
The narrow-bodied aircraft typically used on long-distance domestic flights, mostly the coast-to-coast routes, is the Boeing 757.
In 1896 travel promoter Bill Rishel crossed the flats while helping locate a coast-to-coast route for a bicycle race.