In 1964, the entire length of US 6/US 66 was cancelled and redesignated to SR 11, which took full length from Gaffey Street in San Pedro until Colorado Boulevard in Pasadena.
In 1964, the entire length of US 66 and most of US 6 was cancelled. The pasadena freeway was redesignated to SR 11, which took full length from Gaffey Street in San Pedro until Colorado Boulevard in Pasadena.