Route 79 was established in the 1932 state highway renumbering as a simple number change of old Highway 190.

The route was first assigned in the 1927 state highway renumbering as a co-designation to US 206.

Route 4 remained intact concurrnent with Route 9 until the state highway renumbering on January 1, 1953.

It was not until the 1964 state highway renumbering that the entire route was officially designated as Highway 1.

The two remained concurrent for several years, until the second state highway renumbering on January 1, 1953.

Route 187 was established in the 1932 state highway renumbering from old Highway 328.

Route 152 was created in the 1932 state highway renumbering from old Highway 322.

The route survived the state highway renumbering on January 1, 1953.

Bridge Street remained unnumbered until the second state highway renumbering on January 1, 1953.

Modern Route 58 was created in the 1932 state highway renumbering from old Highway 124.