Wyoming Highway 387 maintained this route until the 1980s, when I-25 was completed.

Wyoming Highway 270 then begins to turn east as the last length of its routing is primarily east-west.

US 16 and Wyoming Highway 116 were created the same year.

The town is accessible by gravel roads from nearby Wyoming Highway 28.

Wyoming Highway 89 has two different segments to its route.

It then intersects Wyoming Highway 111 a short time later.

From 1936 and 1945, it was known as Wyoming Highway 387.

After 1945, the road was known as Wyoming Highway 59.

Wyoming Highway 72 uses two inventory control numbers.

Wyoming Highway 585 was commissioned in 1933 and has kept its original alignment since then.