California State Route 24

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State Route 24

(legal definition)

Length:

13.53^[1] mi (21.77 km)

Formed:

1934^[2]

West end:

I-580/I-980 in Oakland

Major
junctions:

SR 13 in Oakland

East end:

I-680 in Walnut Creek

California State Highway Routes
< SR 23		SR 25 >
Unconstructed - Deleted - Freeway - Scenic

State Route 24 in the U.S. State of California is a heavily-traveled east-west freeway in the eastern side of the San Francisco Bay Area of northern California between Oakland (junction Interstate 580, the MacArthur Freeway) and Walnut Creek (junction Interstate 680). It lies only in Alameda and Contra Costa counties, and it is highly urban.

It was originally projected to lead to a never-built "Southern Crossing" of the San Francisco Bay to the south side of San Francisco. For years it largely fed the MacArthur Freeway into the Bay Bridge toward San Francisco. It was built to the Nimitz Freeway (now Interstate 880); the segment of Route 24 between Interstate 880 and Interstate 580 has since been re-numbered as Interstate 980 into which the remainder feeds.

Route 24 used to extend much further east. The section of Interstate 680 between the current terminus of SR 24 and California State Route 242 was dual-signed I-680 and SR 24 until ca. 1987; California State Route 242 which runs primarily in Concord, California was signed as Route 24 until the same time. Older maps show routes for 24 which continue along California State Route 4 from the current intersection of 242 to the Antioch Bridge, and occasionally reappearing along the river road to Sacramento, currently California State Route 160. Parts of the same route were also sometimes designated as State Highway 84.

Route 24 rises from near sea level in downtown Oakland past its interchange with State Route 13 (completed August 1999) to cross the county line through the triple-bore Caldecott Tunnel and offers some attractive views of the mountainous terrain through which it passes. Due to the traffic jams, commuters get extended views of the scenery.

The Pittsburg/Bay Point Line of the Bay Area Rapid Transit runs in the freeway's center median, except around the Caldecott Tunnel.

1 Control cities
2 Major cities
3 Other names
4 State law
5 Exit list
6 References
7 External links

[edit] Control cities

Eastbound

Walnut Creek - entire route
Concord - between SR-13 and I-680

Westbound

Oakland - between I-680 and SR-13
Downtown Oakland and San Francisco - between SR-13 and I-580

[edit] Major cities

[edit] Other names

William Byron Rumford Freeway: From I-580 in Oakland to the Caldecott Tunnel.

Source: 2004 Named Freeways, Highways, Structures and Other Appurtenances In California

[edit] State law

Legal definition of Route 24: California Streets and Highways Code, Chapter 2, Article 3, Section 324

Route 24 is part of the Freeway and Expressway System, as stated by section 253.3 of the California State Highway Code.

Route 24 is part of the Scenic Highway System, as stated by section 263.3 of the California State Highway Code.

[edit] Exit list

Postmile^[1]	Municipality	#^[3]	Destinations	Notes
ALA R1.85	Oakland	2A	Interstate 980 - Downtown Oakland; 27th Street	Westbound exit and eastbound entrance
ALA R1.85		2B	Interstate 580 - Hayward; San Francisco	Westbound exit and eastbound entrance
ALA R2.59 ALA R2.77		2	Martin Luther King Jr Way; 51st Street	Eastbound exit and westbound entrance; 51st St ramps accessible via 52nd St
ALA R3.06		3	Telegraph Avenue	Westbound exit and eastbound entrance, other access served by 51st St
ALA R3.32		3	Claremont Avenue	Eastbound exit and westbound entrance, other access served by Telegraph Ave
ALA R3.55		4A	College Avenue	Westbound exit only, accessible via Miles Ave
ALA R4.17		4B	Broadway to State Route 13 north - Berkeley	Exit 4 eastbound, exit for SR-13 North; eastbound exit accessible via Keith Ave; westbound entrance accessible via Patton St and Miles Ave
ALA R5.12		5A	State Route 13 south - Hayward	Exit 5 eastbound
ALA R5.12		5B	State Route 13 north - Berkeley	Westbound exit only, all other access served by Broadway or Tunnel Road
ALA R5.47		6	Tunnel Road	Westbound exit and entrance accessible via Caldecott Ln; Eastbound exit and entrance accessible via Broadway and Caldecott Ln
Caldecott Tunnel
CC R0.28		7A	Fish Ranch Road	Eastbound exit and entrance accessible via Old Tunnel Rd
CC 1.20	Orinda	7B	Gateway Blvd
CC R2.31		9	Orinda; Moraga (Camino Pablo)
CC R3.47		10	Saint Stevens Drive; Hidden Valley Road
CC R4.40	Lafayette	11	Acalanes Road; Upper Happy Valley Road
CC R6.26 CC R6.51		12	Oak Hill Road; Central Lafayette; Moraga	Exit 13 westbound; westbound exit and entrance accessible via Deer Hill Rd; eastbound entrance accessible via 1st St
CC R7.66		14	Pleasant Hill Road; Mt Diablo Road
CC 9.14	Walnut Creek	15A	Interstate 680 South - Dublin, California; San Jose	All eastbound exits and westbound entrances
		15B	Interstate 680 North - Concord; Sacramento
			Mt Diablo Road