California State Route 52

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State Route 52

Defined by S&HC § 352, maintained by Caltrans

Length:

15 mi^{[citation needed]} (24 km)

West end:

I-5 in San Diego

East end:

SR 125 in Santee

State highways in California (list - pre-1964)
County routes in California (list)
< SR 51		SR 53 >
History - Unconstructed - Deleted - Freeway - Scenic

State Route 52 is a California State Highway 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.

Highway 52 successfully relieved a parallel East-West route Interstate 8, five miles to the south, of some congestion. However, it became overwhelmed as soon as construction to Mission Gorge Rd in December, 1993 was finished, 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 fall of 2007^[1].

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

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

Major cities Bolded cities are officially-designated control cities for signs
San Clemente Canyon (eastbound) San Diego, California Santee, California

[edit] 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 ^[4]^[5]^[6]	#^[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-805 – Los 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 – 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; will be signed as exit 15A westbound once construction is complete
		15B	Fanita Drive	Under construction; westbound exit and eastbound entrance^[8]
		17	Cuyamaca Street	Under construction^[8]
			Magnolia Avenue	Under construction; eastbound exit and westbound entrance^[8]
			SR 67	Under construction; eastbound exit and westbound entrance^[8]