Route information | ||||
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Maintained by Caltrans and SANDAG | ||||
Length | 22.302 mi[1] (35.892 km) | |||
Tourist routes | SR 125 between SR 94 in Spring Valley and I-8 in La Mesa[2] | |||
Major junctions | ||||
South end | SR 11 / SR 905 in Otay Mesa | |||
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North end | Mission Gorge Road in Santee | |||
Location | ||||
Country | United States | |||
State | California | |||
Counties | San Diego | |||
Highway system | ||||
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State Route 125 (SR 125) is a state highway in the U.S. state of California that serves as a north–south route in San Diego County. It runs from SR 11 and SR 905 in Otay Mesa, near the Mexican border, to SR 52 in Santee. SR 125 also connects SR 54, SR 94, and I-8.
The first parts of SR 125 were added to the state highway system in 1933, connecting Route 94 with US 80. In the 1964 state highway renumbering, what was signed as Route 67 was transferred to the new SR 125. After several delays in funding and in planning, the highway was extended north to SR 52 and south to SR 54 in the early 2000s.
The southern portion of SR 125 from SR 11 and SR 905 to SR 54 near Chula Vista is a toll road called the South Bay Expressway. This portion was completed in 2007 after many years of planning and litigation related to concerns over the destruction of endangered species habitat. The toll road was operated by a public-private partnership known as South Bay Expressway LLC. However, the partnership declared bankruptcy in 2010 and sold the road to the San Diego Association of Governments (SANDAG) in 2011. Since then, following a decrease in the toll amount, traffic using the highway has increased.
The definition of the SR 125 route continues to SR 56, but this portion has not been constructed, and there are no plans to do so.
mile
was invoked but never defined (see the help page).