The south end of SR 185 is defined to be at
State Route 92 (Jackson Street) in Hayward. However, state control of the segment in Hayward south of A Street was relinquished to the city in 2010, and thus no longer officially part of the state highway system. The City of Hayward has since re-configured the segment of Mission Boulevard from A Street south to SR 92 as part of the
one-way pair known as the "Hayward Loop." Traffic in the Hayward Loop travels one-way northbound on Foothill Boulevard, and one-way southbound on A Street and Mission Boulevard. viaduct over SR 77 SR 185 then heads north on Mission Boulevard, then becomes East 14th Street after it crosses under
Interstate 238 in the community of
Cherryland. SR 185 then meets the east end of
State Route 112 (signed as
State Route 61) in downtown San Leandro. SR 185 becomes
International Boulevard after crossing the
Oakland city limits. The north end of SR 185 then lies just northwest of High Street at 42nd Avenue, where the short
State Route 77 heads southwest to
Interstate 880. SR 77 was originally signed as SR 185 from SR 185's terminus to I-880; since at least August 2008, Caltrans has erected SR 77 shields in place of SR 185 shields as reassurance markers and freeway entrance signage at SR 77's two on-ramps at International Boulevard/42nd Avenue and East 12 Street. SR 77 was originally a freeway; however, in 2011, the interchange with I-880 was converted to consist of intersections, as part of the I-880 High Street Seismic Retrofit Project, therefore SR 77 can no longer be considered a freeway. The Only the part east of unbuilt
State Route 93 west of
Moraga is part of the
California Freeway and Expressway System; this does not include the constructed part, which was built as a short
freeway. SR 185 is part of the
National Highway System, a network of highways that are considered essential to the country's economy, defense, and mobility by the
Federal Highway Administration. ==History==