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#REDIRECT [[Interstate 5 in California#Los Angeles County]]
{{Infobox road
|state=CA
|type=I
|route=5
|highway_name=Golden State Freeway
|maint=[[California Department of Transportation|Caltrans]]
|map=Golden State Freeway.svg
|direction_a=South
|terminus_a={{Jct|state=CA|I|10|US|101}} in [[Los Angeles, California|Los Angeles]]
|junction={{Jct|state=CA|SR|134}} near [[Glendale, California|Glendale]]<br>{{Jct|state=CA|SR|14}} near [[Santa Clarita, California|Santa Clarita]]
|direction_b=North
|terminus_b={{Jct|state=CA|SR|99}} in [[Lebec, California|Lebec]]
|system=[[Southern California freeways]]
}}
The '''Golden State Freeway''' is a north-south [[freeway]] running through [[Kern County, California|Kern County]] and [[Los Angeles County, California]]. Originally built as [[U.S. Route 99 (California)|U.S. Route 99]], it was re-signed as [[Interstate 5 (California)|Interstate 5]] in 1964.

== Route description ==
I-5 and [[California State Route 99|State Route 99]] converge near the southernmost point of the [[San Joaquin Valley]], approximately 30 miles (50 km) south of [[Bakersfield, California|Bakersfield]]. At this point, the Golden State Freeway begins. It travels southward through the valley until sharply rising to cross the [[Tejon Pass]] through the [[Tehachapi Mountains]], continuing through [[Grapevine Canyon, California|Grapevine Canyon]]. [[Path 26]] [[electric power transmission|power line]]s, a southern extension of [[Path 15]], follow the freeway across the pass and onto [[Pyramid Lake (California)|Pyramid Lake]]. At one point along the treacherous route near [[Castaic, California|Castaic]], the separated northbound and southbound lanes actually invert, with the southbound lanes being to the east of the northbound ones. The freeway continues into the [[Santa Clarita Valley]], and then crosses [[Newhall Pass]] through the [[Santa Susana Mountains]] to enter the [[San Fernando Valley]], and in turn, [[Los Angeles, California|Los Angeles]]. Several major freeways split from the Golden State Freeway within a few miles of this point: the [[Interstate 210 (California)|Foothill Freeway (I-210)]] near [[Sylmar, Los Angeles, California|Sylmar]], the [[San Diego Freeway|San Diego Freeway (I-405)]] in [[Mission Hills, Los Angeles, California|Mission Hills]], and the [[Hollywood Freeway|Hollywood Freeway (US 101 & SR-170)]] in [[Sun Valley, Los Angeles, California|Sun Valley]]. Traveling through the cities of [[Burbank, California|Burbank]] and [[Glendale, California|Glendale]], it closely follows the [[Los Angeles River]] as it skirts the [[Hollywood Hills]]. It ends at the [[East Los Angeles Interchange]] in [[Boyle Heights, Los Angeles, California|Boyle Heights]]; I-5 continues thereafter as the [[Santa Ana Freeway]].

While the former surface street portions of State Route 99 are often named the '''Golden State Highway''' or '''Golden State Avenue''', Highway 99 itself is not called the Golden State Freeway.

==Legal definition==
The Golden State Freeway is Route 5 from the [[East Los Angeles Interchange|5/10/60/101 Junction]] to Route 14, as named by the Metropolitan Transportation Engineering Board on [[February 28]] [[1958]].<ref>{{cite book | url=http://www.dot.ca.gov/hq/tsip/hseb/products/Named_Freeways.pdf | title=2007 Named Freeways, Highways, Structures and Other Appurtenances in California | publisher=[[California Department of Transportation|Caltrans]] | pages=60 | accessdate=2007-03-28}}</ref> Note that the segment from [[California State Route 14|State Route 14]] to Highway 99 is still legally unofficial.

== Earthquakes and the Golden State Freeway ==
[[Image:Goldenstatefreeway.jpg|250px|right|thumb|The Golden State Freeway at rush hour in the [[San Fernando Valley]]]]
On [[February 9]], [[1971]], the [[Sylmar earthquake]] destroyed a portion of the Golden State Freeway, including its interchange (then under construction) with the [[Antelope Valley Freeway]], between the Santa Clarita and San Fernando Valleys. It was soon rebuilt with greater seismic reinforcement, but nevertheless sustained heavy damage in the [[January 17]], [[1994 Northridge earthquake]] (and again had to be rebuilt).

The risk of earthquake damage to the freeway remains high, as the Grapevine route crosses the notorious [[San Andreas Fault]]. The risk along this route is such that the proposed [[high-speed rail]] corridor between Los Angeles and San Francisco, originally planned to be built within the Golden State Freeway's alignment, will instead veer east into the [[Antelope Valley]], going through the cities of [[Palmdale, California|Palmdale]] and [[Lancaster, California|Lancaster]] before traversing the more seismically stable [[Tehachapi Pass]] on its way to Bakersfield. Despite adding over 50 miles (80 km) of line to the railroad and 20 minutes to its travel time, the route change will save billions of dollars in construction costs, as Tehachapi Pass presents relatively few engineering challenges.

==Exit list==
:''Note: Except where prefixed with a letter, [[postmile]]s were measured in 1964, based on the alignment as it existed at that time, and do not necessarily reflect current mileage. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.''
{| class=wikitable
!County
!Location
![[Postmile]]<br><ref name=trucklist>[[California Department of Transportation]], [http://www.dot.ca.gov/hq/traffops/trucks/truckmap/truck-route-list.xls State Truck Route List] ([[XLS file]]), accessed January 2008</ref><ref name=bridgelog>[[California Department of Transportation]], [http://www.dot.ca.gov/hq/structur/strmaint/brlog2.htm Log of Bridges on State Highways], July 2007</ref><ref>[[California Department of Transportation]], [http://traffic-counts.dot.ca.gov/ All Traffic Volumes on CSHS], 2005 and 2006</ref>
![[Exit number|#]]<ref>[[California Department of Transportation]], [[California Numbered Exit Uniform System]], [http://www.dot.ca.gov/hq/traffops/signtech/calnexus/pdf/5.pdf I-5], accessed January 2008</ref>
!Destinations
!Notes
|-
|rowspan=68|[[Los Angeles County, CA|Los Angeles]]<br><small>(LA 16.88-R88.61)
|rowspan=24|[[Los Angeles, CA|Los Angeles]]
|16.88
|
|{{jct|state=CA|I|5|dir1=south|name1=[[Santa Ana Freeway]]|city1=Santa Ana}}
|Continuation beyond [[US 101 (CA)|US 101]]
|-
|16.47
|134B
|{{Jct|state=CA|SR|60|dir1=east|name1=[[Pomona Freeway]]|city1=Pomona}}
|Southbound left exit and northbound entrance
|-
|16.59
|134A
|Soto Street
|Southbound exit and northbound entrance
|-
|16.90
|134C<!--former 133B-->
|Seventh Street
|No southbound exit; left exit northbound
|-
|16.90
|
|{{jct|state=CA|I|10|dir1=west|name1=[[Santa Monica Freeway]]|city1=Santa Monica}}
|South end of I-10 overlap; southbound exit and northbound entrance
|-
|17.56
|135A
|Fourth Street
|Former [[California State Route 60|SR 60]]<ref>[[Division of Highways (California)|Division of Highways]], [http://cahighways.org/maps/1963routes.jpg Los Angeles and Vicinity], 1963: shows that Legislative Route 172, which became SR 60 in 1964, was on Fourth Street</ref>
|-
|18.06
|135B
|Cesar Chavez Avenue
|
|-
|18.45
|135C
|{{Jct|state=CA|I|10|dir1=east|name1=[[San Bernardino Freeway]]|city1=San Bernardino}}
|North end of I-10 overlap; signed as exit 135B southbound
|-
|18.78
|135C
|Mission Road
|No northbound exit
|-
|19.20
|136A
|Main Street
|Signed as exit 136 southbound; no entrance ramps
|-
|19.73
|136B
|[[Broadway (Los Angeles)|Broadway]]
|Southbound exit is part of exit 137A
|-
|20.44
|137B
|{{Jct|state=CA|SR|110|name1=[[Pasadena Freeway]]|dir1=north|city1=Pasadena}}
|Signed as exit 137A southbound
|-
|20.5
|137A
|[[Figueroa Street]]
|Southbound exit is part of exit 137B; former [[California State Route 159|SR 159]]/[[California State Route 163 (1964)|SR 163]] north
|-
|20.7
|137B
|{{Jct|state=CA|SR|110|name1=[[Pasadena Freeway]]|dir1=south|city1=Los Angeles}}
|Southbound exit and northbound entrance
|-
|21.94
|138
|Stadium Way
|
|-
|22.55
|139
|{{Jct|state=CA|SR|2|name1=[[Glendale Freeway]]|city1=Glendale|city2=Echo Park}}
|Signed as exits 139A (north) and 139B (south) northbound
|-
|22.97
|140A
|Fletcher Drive
|Southbound exit and northbound entrance; former [[California State Route 2|SR 2]]
|-
|23.66
|140B
|Glendale Boulevard
|Signed as exit 140 northbound
|-
|24.33
|141A
|Los Feliz Boulevard
|Signed as exit 141 southbound
|-
|24.60
|141B
|[[Griffith Park]]
|Northbound exit and southbound entrance
|-
|25.78
|142
|[[Colorado Street]]
|Former [[California State Route 134|SR 134]] east/[[California State Route 163 (1964)|SR 163]] south
|-
|26.47
|144A
|Zoo Drive
|No southbound exit; serves [[Los Angeles Zoo]]
|-
|26.65
|144A
|{{Jct|state=CA|SR|134|dir1=east|name1=[[Ventura Freeway]]|city1=Glendale|city2=Pasadena}}
|Signed as exit 144 southbound
|-
|27.08
|144B
|{{Jct|state=CA|SR|134|dir1=west|name1=[[Ventura Freeway]]|city1=Ventura}}
|Northbound exit and southbound entrance
|-
|[[Glendale, California|Glendale]]
|27.84
|145A
|Western Avenue
|
|-
|rowspan=6|[[Burbank, California|Burbank]]
|28.43
|145B
|Alameda Avenue
|Former [[California State Route 134|SR 134]] west
|-
|29.16
|146A
|Olive Avenue, Verdugo Avenue – [[Burbank, California|Burbank]]
|
|-
|29.78
|146B
|Burbank Boulevard
|
|-
|30.47
|147A
|Scott Road – [[Burbank, California|Burbank]]
|Signed as exit 147 southbound; no southbound entrance
|-
|30.75
|147B
|Lincoln Street
|Northbound exit and southbound entrance
|-
|31.23
|148
|Buena Vista Street
|
|-
|rowspan=19|[[Los Angeles, California|Los Angeles]]
|32.35
|149
|Hollywood Way
|
|-
|33.28
|150A
|Glenoaks Boulevard
|Northbound exit and southbound entrance
|-
|33.68
|150B
|Sunland Boulevard – [[Sun Valley, California|Sun Valley]]
|Signed as exit 150 southbound
|-
|34.28
|151
|Penrose Street
|No northbound entrance
|-
|34.65-<br>34.99
|152
|[[Lankershim Boulevard]], Tuxford Street &ndash; [[North Hollywood, Los Angeles, California|North Hollywood]]
|Former [[California State Route 170|SR 170]]
|-
|35.94
|153A
|Sheldon Street
|
|-
|36.36
|153B
|{{Jct|state=CA|SR|170|dir1=south|name1=[[Hollywood Freeway]]|city1=Hollywood}}
|Southbound exit and northbound entrance
|-
|36.86
|153B
|Branford Street
|Northbound exit and southbound entrance
|-
|37.41
|154
|Osborne Street – [[Arleta, Los Angeles, California|Arleta]]
|
|-
|37.96
|155A
|Terra Bella Street
|Northbound exit and southbound entrance
|-
|38.50
|155B
|Van Nuys Boulevard – [[Pacoima, Los Angeles, California|Pacoima]]
|Northbound exit and southbound entrance
|-
|39.05
|156A
|Paxton Street
|Signed as exit 156B northbound
|-
|39.36
|156B
|{{Jct|state=CA|SR|118|name1=[[Ronald Reagan Freeway]]}}
|Signed as exit 156A northbound; southbound exit to SR 118 west is via exit 156A
|-
|39.98
|157A
|Brand Boulevard – [[San Fernando, California|San Fernando]]
|Northbound exit and southbound entrance; former [[SR 118 (CA)|SR 118]]
|-
|40.24
|157B
|San Fernando Mission Boulevard – [[San Fernando, California|San Fernando]]
|Signed as exit 157 southbound
|-
|41.60
|158
|{{Jct|state=CA|I|405|dir1=south|name1=[[San Diego Freeway]]|city1=Santa Monica}}
|Southbound exit and northbound entrance
|-
|42.65
|159
|Roxford Street – [[Sylmar, Los Angeles, California|Sylmar]]
|Signed as exits 159A (east) and 159B (west) northbound
|-
|R44.01
|161A
|{{Jct|state=CA|I|210|name1=[[Foothill Freeway]]|dir1=east|city1=Pasadena}}
|Signed as exit 161B northbound
|-
|R44.87
|161B
|Balboa Boulevard
|Southbound exit and northbound entrance
|-
|
|R45.58
|162
|{{Jct|state=CA|SR|14|dir1=north|name1=[[Antelope Valley Freeway]]|city1=Palmdale|city2=Lancaster}}
|
|-
|rowspan=7|[[Santa Clarita, California|Santa Clarita]]
|R49.03
|166
|Calgrove Boulevard
|
|-
|R50.33
|167
|Lyons Avenue, Pico Canyon Road
|
|-
|R51.44
|168
|McBean Parkway
|
|-
|R52.47
|169
|Valencia Boulevard
|
|-
|R53.57
|170
|Magic Mountain Parkway
|Former [[California State Route 126|SR 126]] east
|-
|R54.17
|171
|Rye Canyon Road
|Southbound exit and entrance
|-
|R55.48
|172
|{{Jct|state=CA|SR|126|dir1=west|road=Newhall Ranch Road|city1=Ventura}}
|
|-
|
|R56.60
|173
|Hasley Canyon Road – [[Wayside Honor Rancho]]
|
|-
|
|R59.01
|176A
|Parker Road – [[Castaic, California|Castaic]]
|Northbound exit and southbound entrance
|-
|
|R59.49
|176B
|Lake Hughes Road – [[Castaic Lake Park]], [[Castaic, CA|Castaic]]
|Signed as exit 176 southbound
|-
|
|R65.97
|183
|[[Templin Highway]]
|
|-
|
|R74.45
|191
|Vista del Lago Road
|
|-
|
|R77.96
|195
|Smokey Bear Road
|
|-
|
|R81.49-<br>R82.10
|198A
|{{Jct|state=CA|SR|138|dir1=east|city1=Lancaster|city2=Palmdale}}
|Signed as exit 199 southbound
|-
|
|R81.76
|198B
|Quail Lake Road
|Signed as exit 198 southbound
|-
|
|R85.80
|202
|[[Gorman, California|Gorman]]
|
|-
|
|R88.57
|205
|Frazier Mountain Park Road
|
|-
|rowspan=6|[[Kern County, California|Kern]]<br><small>(KER R0.00-R15.86)
|
|1.61
|207
|[[Lebec, California|Lebec]]
|
|-
|
|5.02
|210
|[[Fort Tejon]]
|
|-
|
|10.15
|215
|[[Grapevine, California|Grapevine]]
|
|-
|
|13.52
|219
|Laval Road
|Signed as exits 219A (east) and 219B (west)
|-
|
|R15.86
|
|{{jct|state=CA|I|5|dir1=north|name1=[[West Side Freeway]]|city1=San Francisco|city2=Sacramento}}
|Northbound exit and southbound entrance
|-
|
|R15.86
|221
|{{Jct|state=CA|SR|99|dir1=north|city1=Bakersfield|city2=Fresno}}
|Northbound exit and southbound entrance
|}

==References==
{{reflist}}
{{LA Freeways}}

[[Category:Southern California freeways]]
[[Category:Interstate 5]]
[[Category:Interstate 5]]
[[Category:U.S. Route 99]]
[[Category:Interstate Highways in California]]
[[Category:Southern California freeways]]
[[Category:Named freeways in California]]
[[Category:Roads in Los Angeles County, California]]
[[Category:Transportation in Los Angeles]]

Latest revision as of 10:13, 11 December 2022

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