212), sponsored by Sen. Lawrence C. Phipps (R) of Colorado, defined the Federal Aid Road program to develop an immense national highway system.

L. I. Hewes opened the Western Headquarters Office of the Bureau of Public Roads to administer federal-aid highway and direct federal highway construction programs in 11 western states, including Alaska and Hawaii.

It provided federal 50–50 matching funds for state highway building up to 7 percent of roads statewide.

In 1922, the Bureau of Public Roads commissioned Gen. John J. Pershing to draw up the Pershing Map for construction purposes and to give the government a clear understanding of which roads in the U.S. were the most important in the event of war.

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