The number change was first seen on state maps in 1978.

It shows up on some state maps during the 1970s, but was never built.

This change was first seen on state maps in 1978.

US-59 first appeared on the official state map in 1935.

SH-84 first appears on the official state map in 1941.

The second version first appeared on state maps in 1932.

This change first appeared on official state maps in 1978.

The road was still shown on state maps without a route number in 1982.

The highway does not appear on the official state map.

This change was first reflected on official state maps in 1978.