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California State Route 13

Route map:
From Wikipedia, the free encyclopedia
(Redirected from State Route 13 (California))
"CA 13" redirects here. For the congressional district, see California's 13th congressional district. For the original Sign Route 13, see California State Route 13 (1934).
"Ashby Avenue" redirects here. For the stadium in England, see Ashby Avenue (stadium).
State Route 13 marker
State Route 13
Map
SR 13 highlighted in red
Route information
Maintained by Caltrans
Length9.73 mi[1] (15.66 km)
Existed1964 renumbering[2]–present
Major junctions
South end I-580 in Oakland
Major intersections
North end I-80 / I-580 in Berkeley
Location
CountryUnited States
StateCalifornia
CountiesAlameda
Highway system
← SR 12→ SR 14

State Route 13 (SR 13) is a state highway in the U.S. state of California. It runs entirely in Alameda County, connecting Interstate 580 in Oakland to Interstate 80/Interstate 580 in Berkeley.

It consists of three contiguous segments: the Warren Freeway from I-580 to State Route 24 in Oakland; Tunnel Road, a narrow two-lane road to Claremont Avenue in Berkeley; and Ashby Avenue, a main east–west street through south Berkeley to I-80/I-580.

Route description

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The route currently begins at Interstate 580 near Mills College in East Oakland and continues north as the Warren Freeway, named after former Alameda County District Attorney, California Governor and U.S. Supreme Court Chief Justice Earl Warren. The four-lane freeway takes a largely straight path as it runs through a scenic valley. This valley is enclosed by the far eastern hills of Oakland and a shutter ridge that has been driven northwestward along the Hayward Fault, and the entire freeway lies within the earthquake fault zone of the Hayward Fault. In the event of a major earthquake on the fault, this section of SR 13 may sustain heavy damage. Numerous overpasses have recently undergone extensive seismic retrofitting.

The tall trees on the highway's side make the highway appear narrower, and until late 2004, a dense group of trees also lined most of the highway's median. For most of the day, the freeway experiences only modest traffic, which makes it a speedy bypass around downtown Oakland. Much of the traffic on this highway comes from SR 24's commute hour congestion backing up onto SR 13 northbound via the exchange between the highways.

The Warren Freeway portion of State Route 13 between Joaquin Miller Road and Redwood Road.

After going through an interchange with State Route 24 (upgraded August 1999) near the entrance to the Caldecott Tunnel, however, SR 13 takes drastic changes in its quality and capacity. The freeway ends at an uphill junction and the route is defaulted onto Tunnel Road, a much more narrow two-lane road that bends to the west and winds downhill. Upon reaching the foot of the hill, Tunnel Road becomes Ashby Avenue, a markedly urban (and very busy) two-lane street with an east–west routing. Entering Berkeley, UC Berkeley is north on Telegraph Avenue, while Ashby BART station is located at Adeline Street. Past San Pablo Avenue (SR 123), Route 13 (as Ashby Avenue) runs through a more modest neighborhood before reaching its current end at Interstate 80/Interstate 580.

SR 13 is part of the California Freeway and Expressway System,[3] and is part of the National Highway System,[4] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.[5] SR 13 is known as the Warren Freeway from Route 24 to Route 580, as named by Assembly Concurrent Resolution 96, Chapter 166 in 1957.[6]

History

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SR 13 was created to accommodate the construction of the Grove-Shafter Freeway, now designated State Route 24. Before the construction of the Grove-Shafter, Ashby Avenue was State Route 24, while the balance of the route of today's Warren Freeway was not a designated state highway. The main thoroughfare through the Montclair District in those days was Mountain Boulevard.

State Route 13 was formed in 1947, from SR 24 to then-US 50 via Warren Boulevard. In the 1964 state highway renumbering, it extended north to I-80 over part of SR 24, and was rerouted on its current routing. Before its designation, it was known as several different legislative route numbers, including 258 from Interstate 580 to present-day SR 61, and 227 from Warren Boulevard to U.S. Route 50. This latter segment was not finished in 1963 and only existed from SR 24 to Joaquin Miller Road. However, the finished portion along Warren Boulevard was commissioned as part of the state highway system in 1947.

The portion of SR 13 between SR 24 and I-80 was known as Sign Route 24; however, it was legislatively designated as Route 206 since 1935. The portion between I-80 and SR 61 was also part of Legislative Route 206 and was commissioned into the state highway system in 1959.[2]

Route 13 was to have been a freeway bypass of Oakland and Berkeley and would have extended south from its present end to the Nimitz Freeway (Route 880). State law describes an even longer Route 13, which would start further south at Route 61 and end at an unconstructed part of Route 61 west of Emeryville. The latter end would require an interchange over water. However, local resistance to further freeway construction in Oakland prevented the extension. Similar resistance in Berkeley has kept Route 13 from being built as a freeway north of Route 24, hence its role as a surface street.

In August 2004, Caltrans began replacing the median's original metal guardrails with a new wall along the 3.5-mile (5.6 km) stretch of SR 13 between SR 24 and I-580. This allowed road crews to drive street-sweeping vehicles along the shoulders throughout the week, rather than sending people to pick up trash by hand. However, residents frequenting SR 13 have said that the median appears to be filled with fewer trees and bushes than prior to Caltrans construction. These trees once densely lining the median have long supplemented the lush vegetation on both sides of the highway to beautify this scenic route. [according to whom?]

Major intersections

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Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers to an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see California postmile § Official postmile definitions).[1] Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in Alameda County.

LocationPostmile
[1][7][8]		Exit
[9]		DestinationsNotes
Oakland4.261A
 I-580 east (MacArthur Freeway) – Hayward, Stockton		South end of SR 13; I-580 east exit 26, west exit 26A
26[a]Seminary Avenue
1B

 Mountain Boulevard to I-580 west (MacArthur Freeway) – Downtown Oakland, San Francisco
5.01–
5.39		1CCarson Street, Redwood RoadSigned as exit 1 northbound
6.472Joaquin Miller Road, Lincoln Avenue
7.403Park Boulevard
8.304Moraga Avenue, Thornhill Drive
9.075ABroadway TerraceSigned as exit 5 southbound
R9.625B
 SR 24 east (Grove-Shafter Freeway) – Walnut Creek, Concord		No southbound exit; SR 24 west exits 5A-B
R9.625C
 SR 24 west (Grove-Shafter Freeway) – Oakland		Northbound left exit and southbound entrance; SR 24 east exits 4-5
​North end of freeway
​
 Tunnel Road east to SR 24 – Walnut Creek, Downtown Oakland
Berkeley11.61Telegraph Avenue
​Shattuck Avenue
13.18 SR 123 (San Pablo Avenue) – Albany, Oakland
13.93 I-80 / I-580 (Eastshore Freeway) – Richmond, Sacramento, San FranciscoInterchange; northbound exit and southbound entrance; north end of SR 13; I-80/I-580 exit 10; I-580 was former SR 17
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. ^ Exit number follows I-580 rather than SR 13.

See also

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References

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  1. ^ a b c California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on September 5, 2015. Retrieved June 30, 2015.
  2. ^ a b "California Highways: State Route 13". Cahighways.org. Retrieved 2011-11-28.
  3. ^ "Article 2 of Chapter 2 of Division 1". California Streets and Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.
  4. ^ Federal Highway Administration (March 25, 2015). National Highway System: San Francisco–Oakland, CA (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved October 20, 2017.
  5. ^ Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012.
  6. ^ 2007 Named Freeways, Highways, Structures and Other Appurtenances in California (PDF). Caltrans. p. 78. Retrieved 2007-03-28.
  7. ^ California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  8. ^ California Department of Transportation, All Traffic Volumes on CSHS Archived July 21, 2011, at the Wayback Machine, 2006
  9. ^ California Department of Transportation, California Numbered Exit Uniform System, State Route 13 Freeway Interchanges, I-580 Eastbound Retrieved on 2009-02-05 (Note: The exit number for Seminary Avenue is used from I-580 mileage, but the number is signed on SR 13).
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