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California State Route 52: Wikis


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State Route 52 shield
State Route 52
Defined by S&HC § 352, maintained by Caltrans
Length: 14.449 mi[1] (23.253 km)
West end: I-5 in San Diego
I-805 in San Diego
SR 163 in San Diego
I-15 in San Diego
East end: SR 125 in Santee
State highways in California (list - pre-1964)
< SR 51 SR 53 >
History - Unconstructed - Deleted - Freeway - Scenic

State Route 52 (SR 52) is a state highway in the U.S. state of California in San Diego County, that extends from La Jolla Parkway at Interstate 5 in La Jolla to Route 125 in Santee. Route 52 is a freeway for its entire length, and bears the official name "Mount Soledad Freeway."


Route description

This route is part of the California Freeway and Expressway System[2] and is eligible for the State Scenic Highway System[3].

History and recent developments

Highway 52 successfully relieved a parallel east–west route Interstate 8, five miles (8 km) to the south, of some congestion. However, it became overwhelmed as soon as construction to Mission Gorge Rd was completed in December 1993, as it was the only freeway connecting directly with the suburban city of Santee. Prior to 1993, Route 52 was known as the Soledad Highway, connecting between Interstate 5/Ardath Road (now called La Jolla Parkway) and 805, in San Clemente Canyon.

Near its center, where it meets with Interstate 15 and Route 163, is one of the worst traffic bottlenecks in the county during morning rush-hour. This is where three Westbound lanes narrow to two. To lessen the bottleneck a construction crew in March, 2007 is currently widening this 2 1/2-mile stretch to three lanes in both directions.

In 2006, MTS, in cooperation with SANDAG, Caltrans and the California Highway Patrol, began a pilot program to operate transit buses on the freeway shoulders of Route 52, between Kearny Villa Road and 805. During rush hour times, buses could use the freeway shoulders as a transit-only lane to bypass slow traffic on the main lanes. This included the use of the freeway shoulders on the ramp connectors between 52 and 805.


Construction from its present terminus eastward to Route 67 began in early 2008, and is scheduled to be open to traffic in late 2010.[4]

Two reversible HOV traffic lanes are scheduled to be built around 2012.

Exit list

Note: Except where prefixed with a letter, postmiles were measured in 1964, based on the alignment as it existed at that time, and do not necessarily reflect current mileage.

The entire route is in San Diego County.

Location Postmile
#[7] Destinations Notes
San Diego 0.32 La Jolla Parkway Continuation beyond I-5
0.32 1A I-5 south (San Diego Freeway) – Downtown San Diego No exit number eastbound
0.32 1A I-5 north (San Diego Freeway) – Los Angeles Westbound exit and eastbound entrance
1.35 1B Clairemont Mesa Boulevard, Regents Road Signed as exit 1 eastbound
2.29 2 Genesee Avenue
3.76 3 I-805Los Angeles, National City, Chula Vista
5.49 5 Convoy Street
6.60 6 SR 163 south (Cabrillo Freeway) – Downtown San Diego
6.93 7 Kearny Villa Road
7.31 7 I-15 (Escondido Freeway) – Riverside, Downtown San Diego
8.71 8 Santo Road
13.27 13 Mast Boulevard
Santee 14.77 14 Mission Gorge Road Eastbound exit and westbound entrance
14.77 15 SR 125 south Eastbound exit and westbound entrance


External links



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