Endpoints of
US Route 366[i]

US 366[i] was among the original US routes commissioned in 1926.  It served the diagonal Amarillo -- El Paso corridor, but was soon replaced by reroutes and extensions of US 60 and US 70.  Its number was recycled for the second US 366, which was also short-lived.

Research and/or image credits: Dale Sanderson; Michael Summa