sentences:  Between 1964 and 1989, US 80 was decommissioned entirely within California, Arizona and all of New Mexico outside of Anthony (which is located near the Texas state line).In 1991, the remainder of US 80 in both New Mexico and Texas west of Dallas was decommissioned, bringing the national western terminus to its current location.The old highway west of Dallas has since been replaced by local roads and state highways.