sentences:  AASHO extended the route south to El Paso in 1946.The original alignment of US 85 in Texas was entirely concurrent with the former route of US 80 beginning at Texas Ave. and following Mesa St. and then Doniphan Dr. to the New Mexico state line along the current SH 20.US 85 was relocated to its current alignment in 1974, partially following the former routing of U.S. Route 80 (Alt.)