<P> U.S. Route 66 ( US 66 , Route 66 ) is a part of a former United States Numbered Highway in the state of California that ran from the west in Santa Monica on the Pacific Ocean through Los Angeles and San Bernardino to Needles at the Arizona state line . It was truncated during the 1964 renumbering and its signage removed in 1974 . The highway is now mostly replaced with several streets in Los Angeles , State Route 66 ( SR 66 ) , Interstate 15 ( I - 15 ) and I - 40 . </P>
where does route 66 start on the west coast
Santa Monica on the Pacific Ocean