The original road is now the modern US 1, and the only city that the two routings had in common was Raleigh.
It headed northward from there to Vermont on modern US 4.
Prior to 1934, the portion of modern US 202 within New York was known by several different designations.
The first state trunkline highway designated along the path of the modern US 41 was M-15, in use as far back as 1919.
When the state highway system was first signed in 1919, M-13 followed the general path of the modern US 131.
This was the first modern US.
The latter road became the basis for most of modern US 9.
The road proceeded east along modern U.S. 40 through south central Illinois.
MD 26 was extended west to modern US 15 in the late 1950s as a divided highway.
Before 1926, all of modern US 491 existed as state routes.