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State Route 275 (SR 275) is a short unsigned state highway in the Sacramento area of the U.S. state of California. The highway is currently defined to be the length of the Tower Bridge between West Sacramento and downtown Sacramento. Prior to 1996, SR 275 was also known as the West Sacramento Freeway, and was a short spur from Interstate 80 Business / U.S. Route 50 in West Sacramento over the Tower Bridge into downtown Sacramento. West Sacramento completed a project to replace the freeway with a pedestrian-friendly street named Tower Bridge Gateway. ==Route description== The West Sacramento Freeway begins on Interstate 80 at exit 81 (West Capitol Avenue), the east end of the Yolo Causeway. It soon splits, with I-80 exiting to bypass Sacramento to the north and Interstate 80 Business (legislatively U.S. Route 50) continuing east via exit 82 towards downtown. After one interchange, at Harbor Boulevard (exit 1/1B), the freeway splits again, with Bus. 80 turning abruptly southeast over the Pioneer Memorial Bridge to avoid downtown Sacramento. State Route 275 begins here, at exit 3 of Bus. 80, with full access to and from the intersecting Jefferson Boulevard (State Route 84).〔Google Maps street maps and USGS topographic maps, accessed December 2007 via (ACME Mapper )〕 State maintenance ends just after the Jefferson Boulevard interchange, and the road — now maintained by the city of West Sacramento as Tower Bridge Gateway — crosses the new Garden Street at an at-grade intersection. This intersection replaced a partial trumpet interchange, oriented towards West Capitol Avenue with a missing westbound entrance, in 2007. After Tower Bridge Gateway crosses under the Union Pacific Railroad line that used to cross the Tower Bridge, it approaches an intersection with 5th Street. It was formerly a ramp that entered the westbound lanes from the intersection of West Capitol Avenue and 5th Street, which completed the former interchange at Riske Lane. Two blocks to the east, Tower Bridge Gateway approaches its final intersection in West Sacramento with 3rd Street. A westbound offramp formerly lead to West Capitol Avenue and 3rd Street, with eastbound access to Broderick to the north and the formerly industrial area to the south, now containing Raley Field.〔 State maintenance resumes once again as SR 275 crosses the Sacramento River on the Tower Bridge, a four-lane lift bridge that formerly carried a Sacramento Northern Railroad track in the center. At the east end of the bridge, the roadway becomes Capitol Mall, maintained by the city of Sacramento, and crosses over Interstate 5. Seven blocks later, the main road ends at 9th Street; the last block of Capitol Mall to 10th Street, on which the State Capitol fronts, is a two-lane road with a mid-block traffic circle around a fountain.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「California State Route 275」の詳細全文を読む スポンサード リンク
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