Interstate 580 (California)

Last updated

I-580 (CA).svg
Interstate 580
Interstate 580 (California)
I-580 highlighted in red
Route information
Auxiliary route of I-80
Defined by Streets and Highways Code § 618
Maintained by Caltrans
Length75.550 mi [1]  (121.586 km)
I-580 is broken into pieces, and the length does not reflect the I-80 overlap that would be required to make the route continuous.
ExistedJuly 1, 1964 [2] –present
Tourist
routes
California Scenic State.svg William Elton "Brownie" Brown Freeway, and the MacArthur Freeway through Oakland [3]
RestrictionsNo trucks over 4.5 tons through Oakland [4]
Major junctions
West endUS 101 (1961 cutout).svg US 101 in San Rafael
 
East endI-5 (1961).svg I-5 near Tracy
Location
Counties Marin, Contra Costa, Alameda, San Joaquin
Highway system
I-505 (1961).svg I-505 I-605 (1961).svg I-605

Interstate 580 (I-580) is an approximately 82-mile-long (132 km) east–west auxiliary Interstate Highway in Northern California. The heavily traveled spur route of I-80 runs from US 101 in San Rafael in the San Francisco Bay Area to I-5 near Tracy in the Central Valley. I-580 forms a concurrency with I-80 between Albany and Oakland, the latter of which is the location of the MacArthur Maze interchange immediately east of the San Francisco–Oakland Bay Bridge. I-580 provides a connection from the Bay Area to the southern San Joaquin Valley and Southern California via I-5, as I-5 bypasses the Bay Area to the east.

Contents

A portion of I-580 is called the MacArthur Freeway, after General Douglas MacArthur. Other portions are named the John T. Knox Freeway (after a former Speaker Pro Tempore of the California State Assembly), the Eastshore Freeway (after its location on San Francisco Bay), the Arthur H. Breed Jr. Freeway (after a former California State Assemblyman and Senator—the stretch itself lying between the cities of Castro Valley and Dublin), the William Elton "Brownie" Brown Freeway (after a Tracy resident instrumental in determining the route of Interstate 5 through the San Joaquin Valley), the Sgt. Daniel Sakai Memorial Highway (after the Castro Valley resident and Oakland SWAT officer killed in the 2009 shootings of Oakland police officers), and the John P. Miller Memorial Highway (after the Lodi resident and California Highway Patrol officer killed while chasing down a DUI driver). [2]

Route description

I-580 emerging in the Central Valley near Tracy Interstate 580 near Tracy, California.jpg
I-580 emerging in the Central Valley near Tracy
Eastbound I-580 at Grant Line Road about one mile away from the I-580/I-205 split. Tracy bypass.jpg
Eastbound I-580 at Grant Line Road about one mile away from the I-580/I-205 split.
I-580 at Palomares Road at the west end of Dublin Canyon Dublin Canyon 07810.JPG
I-580 at Palomares Road at the west end of Dublin Canyon
I-580 at the Altamont Pass Wind Farm Kluft-Photo-Aerial-I580-Altamont-Pass-Img 0037.jpg
I-580 at the Altamont Pass Wind Farm
Westbound I-580 at Altamont Pass between Livermore and Tracy. I-580 W (CA) between Pleasanton and Castro Valley.JPG
Westbound I-580 at Altamont Pass between Livermore and Tracy.
BART runs in the median of I-580 through Castro Valley CastroValleyFreeway.jpg
BART runs in the median of I-580 through Castro Valley
I-580 on the Richmond-San Rafael Bridge I-580 Richmond SanRafael.jpg
I-580 on the Richmond-San Rafael Bridge

The western terminus of I-580 is roughly 10 miles north of San Francisco in the city of San Rafael (Marin County), at the junction with U.S. Route 101 (US 101). The interchange with US 101 is incomplete, only allowing continuous travel from southbound US 101 to eastbound I-580 (via exit 451B) and from westbound I-580 to northbound US 101. Heading eastward through the light industrial portion of eastern San Rafael, I-580 provides access to San Quentin State Prison at the eastern tip of land before joining the Richmond–San Rafael Bridge to cross San Francisco Bay. I-580 enters the city of Richmond in Contra Costa County mid-span, then continues through Richmond to join Interstate 80 in Albany at the "Hoffman Split."

After joining I-80, I-580 runs directly south for several miles along the eastern shore of San Francisco Bay in the segment known as the Eastshore Freeway, then enters the MacArthur Maze. The segment between the Hoffman Split and the MacArthur Maze is a wrong-way concurrency, meaning I-580 east is signed as I-80 west, and vice versa. From the MacArthur Maze, I-580 is known as the MacArthur Freeway, which runs through Oakland and San Leandro to Castro Valley. About halfway to Castro Valley from the Maze, is an interchange with the Warren Freeway (State Route 13). Between this interchange and Castro Valley, I-580 runs near or along the trace of the Hayward Fault, a major branch of the San Andreas Fault.

In Castro Valley, I-580 turns eastward toward Dublin Canyon before descending into Dublin and Pleasanton. After passing through Livermore, the freeway enters the Altamont Pass. The road emerges in the Central Valley west of Tracy, where, after I-205 splits near the Altamont Speedway, it turns southeastward and terminates by merging with I-5 south of Tracy just shy of the Stanislaus County line.

I-580 through Altamont Pass is a major crossing of the Diablo Range linking the Central Valley to the Bay Area, and also a major route to Southern California. I-580 is the only freeway that crosses the Diablo Range, making it the safest route through the mountains. Prior to the construction of this route, traffic was detoured to Pacheco (SR 152) and Polonio (SR 46) passes.

I-580 provides Interstate Highway access between San Francisco and Los Angeles since I-5 runs east of the Bay Area. However, the primary control city listed on freeway signs along eastbound I-580 between I-80 and I-205 is instead Stockton, a vestige of when this segment used to be part of US 50.

I-580 is part of the California Freeway and Expressway System, [5] and is part of the National Highway System, [6] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration. [7] The route is eligible for the State Scenic Highway System, [8] and is officially designated as a scenic highway by the California Department of Transportation from the San Leandro city limits to SR 24 and from I-5 to I-205, [9] meaning that these are substantial sections of highway passing through a "memorable landscape" with no "visual intrusions", where the potential designation has gained popular favor with the community. [10]

Truck ban through Oakland

Trucks over 4.5 tons are prohibited through Oakland between Grand Avenue and the San Leandro border. Specifically, eastbound trucks cannot travel beyond Grand Avenue/Lakeshore Avenue (exit 21B), and those going westbound must get off at MacArthur Boulevard/Foothill Boulevard (exit 30). [4] [11] They are instead instructed to take I-238 in Castro Valley and then I-880 through Oakland as an alternative route.

The truck prohibition has been in effect before the freeway was since the freeway was built in 1963 as part of US 50. Both the Federal Highway Administration (FHWA) and the California Department of Transportation (Caltrans) imposed the restriction, partly because the City of Oakland already had a truck ban through the area prior to the freeway's construction. Since then, the restriction was grandfathered in when the freeway was both renumbered and added to the Interstate Highway System.

As a result, it is the only segment of Interstate Highway in California that is not part of the National Truck Network (several other California state highways have similar truck bans such as SR 2, SR 13 and SR 85, but not any other Interstates). [4] [12] With trucks normally rerouted onto I-880 instead of I-580 through Oakland, the former generally gets more traffic than the latter. For decades, the trucking industry lobbied to have the ban removed, but was unsuccessful due to local opposition. In 2000, the California State Legislature passed Assembly Bill 500, adding the I-580 truck restriction into the California Vehicle Code. [13] The ban is temporarily lifted by the California Highway Patrol for short periods to reduce traffic congestion when major accidents occur on I-880 or I-238.

Express lanes

High-occupancy toll (HOT) lanes along I-580 between Pleasanton and Livermore opened in February 2016. [14] [15] The eastbound express lanes stretch 12 miles (19 km) between Hacienda Drive and North Greenville Road. The westbound express lanes extend an additional two miles (3.2 km) west to San Ramon Road/Foothill Road. [15]

As of October 2020, the HOT lanes' hours of operation is weekdays between 5 a.m. and 8 p.m. Solo drivers are tolled using a variable pricing system based on the time of day. Carpools, motorcycles, and clean air vehicles are not charged. [16] All tolls are collected using an open road tolling system, and therefore there are no toll booths to receive cash. Each vehicle using the HOT lanes is required to carry either a FasTrak Flex or CAV (Clean Air Vehicle) transponder, with its switch set to indicate the number of the vehicle's occupants (1, 2, or 3 or more). Solo drivers may also use the FasTrak standard tag without the switch. [16]

The high-occupancy vehicle (HOV) lane leading to the Richmond–San Rafael Bridge requires a car with 3+ persons, unlike California's regular carpool lanes of 2+ persons. [17] See also: Richmond–San Rafael Bridge § Tolling

History

I-5W and the San Francisco Bay Area

I-5W (CA).svg

Interstate 5W

Location TracyDunnigan
Existed1957–1970

What is now I-580 from I-5 to Oakland was originally conceived as part of a loop Interstate with a directional suffix, I-5W. [18] [ self-published source ] However, I-5W and most of the other Interstates around the country with directional suffixes were eventually renumbered or eliminated, except for I-35E and I-35W in Texas and Minnesota, and more recently Interstates 69W, 69C, and 69E in Texas. The former route of I-5W now corresponds to I-580 from I-5 to Oakland, I-80 from Oakland to Vacaville, and I-505 from Vacaville to I-5 near Dunnigan.

I-5 to Castro Valley

For the most part, the I-580 freeway in this segment was constructed over or alongside the right-of-way of US 50, previously part of the old Lincoln Highway, during the course of the late 1960s and early 1970s.[ citation needed ] The segment which begins at the split with I-205 was constructed during the same period of time over a new right-of-way to a junction with I-5, running through some low hills on the west side of the San Joaquin Valley near the city of Patterson.

In the 1990s, the freeway segment from Castro Valley through Pleasanton was enlarged and otherwise re-engineered in conjunction with the construction of the Dublin/Pleasanton Line of the Bay Area Rapid Transit. The BART tracks were placed in a new median between the westbound and eastbound lanes of I-580 as was the new Dublin/Pleasantion Station. The interchange with I-238 and the Hayward exit ramps was also re-engineered at this time.

The MacArthur Freeway: Castro Valley to Oakland

The I-580 freeway in this segment was constructed starting in February 1960, adjacent to the city streets which were part of US 50 between Castro Valley and the large interchange along the eastern approach to the San Francisco–Oakland Bay Bridge in Oakland now called the MacArthur Maze. [19] The freeway was named in honor of World War II General Douglas MacArthur. Prior to the construction of this freeway, the various city streets of Oakland that were designated for US 50 (principally 38th Street, Hopkins Street, Moss Avenue, Excelsior Avenue and part of Foothill Boulevard) had been re-named for the General as "MacArthur Boulevard" which, for the most part, still parallels the MacArthur Freeway. The re-naming occurred on March 26 1942, by a resolution of the Oakland City Council. [20] [21]

The freeway was opened to traffic in 8 segments until its completion in May, 1966 (last segment, connecting with State Route 238 (now I-238), in Castro Valley, opened May 20, 1966). [22]

Oakland to San Rafael

The segment of I-580 running from the MacArthur Maze to San Rafael is the most recent to be signed as I-580, beginning in 1984. Before 1984, this segment was part of State Route 17 (SR 17).

From the Maze to the interchange locally known as the "Hoffman Split" in Albany, just north of the Gilman Street interchange (Hoffman Blvd. was the predecessor of I-580 in this section---see below), I-580 follows the Eastshore Freeway, a wrong-way concurrency with I-80 for its entirety: northward on the Eastshore is signed I-80 east and I-580 west; headed southward, one finds signs indicating I-80 west and I-580 east.

At the Hoffman Split, I-580 leaves the Eastshore Freeway in a northwesterly direction through the cities of Albany and Richmond. It then crosses San Francisco Bay over the Richmond–San Rafael Bridge. The freeway in this section, officially named the John T. Knox Freeway, was constructed from 1987 to 1991. It replaced a number of city streets which comprised the earlier highway leading to the San Rafael Bridge, principally, Hoffman and Cutting Boulevards.

After crossing the bridge, I-580 runs west to San Rafael, ending at an interchange with US 101. This freeway segment supplanted an earlier boulevard constructed as part of SR 17.

Interstate 180

I-180 (CA).svg

Interstate 180

Location San Rafael, California
Existed1978–1983 [23]

Interstate 180 was a temporary designation used in 1978 for the Richmond–San Rafael Bridge, now part of I-580. At the time the bridge had been identified as part of SR 17 but was marked for inclusion in the Interstate Highway System.

Briefly the bridge used the number 180, despite the Fresno-area SR 180's use of the number. The California Streets and Highways Code has a policy against using one route number for multiple noncontiguous highways. Unless the existing SR 180 is renumbered, which is unlikely due to its familiarity as the road to Kings Canyon National Park, there will not be an I-180 in California.

Future

The segment of I-580 from I-680 to I-205 is undergoing significant expansion. Among the projects along this segment is the now-completed high-occupancy vehicle lanes in each direction, a westbound auxiliary lane between Fallon Road and Tassajara Road, the now-completed construction of a new interchange at Isabel Avenue in Livermore, the reconstruction of several interchanges, the construction of additional truck climbing lanes for the eastward ascent to the Altamont Pass, and plans to preserve the right-of-way to accommodate a future BART extension in the median of the freeway. [24]

Exit list

CountyLocationmi [25] kmExitDestinationsNotes
Marin
MRN 4.78–0.00
San Rafael 0.000.001AUS 101 (1961 cutout).svg US 101 north San Rafael, Santa Rosa Westbound exit and eastbound entrance; west end of I-580; US 101 south exit 451B
1BTo plate.svg
US 101 (1961 cutout).svg
Francisco Boulevard south to US 101  San Francisco
Signed as exit 1 eastbound
1.492.402ATo plate.svg
US 101 (1961 cutout).svg
Sir Francis Drake Boulevard south to US 101
Westbound exit and eastbound entrance
2.153.462BFrancisco Boulevard San Quentin Signed as exit 2 eastbound
San Francisco Bay 4.787.69 Richmond–San Rafael Bridge (westbound toll only)
Contra Costa
CC 7.79–0.00
Richmond 6.5610.567AStenmark Drive Point Molate No eastbound exit
7.4612.017BTo plate blue.svg
I-80 (1961).svg
Richmond Parkway to I-80 east Port Richmond, Sacramento
Signed as exit 7 eastbound
7.9312.768Canal Boulevard, Garrard Boulevard
8.9714.449Cutting Boulevard, Harbour WaySigned as exits 9A (Cutting Boulevard, Harbour Way south) and 9B (Harbour Way north) westbound
9.6815.5810AMarina Bay Parkway, South 23rd Street
10.4816.8710BRegatta Boulevard
11.3118.2011Bayview Avenue
12.2819.7612Central Avenue
Alameda
ALA 48.04–0.00
Albany 13.0120.9413Buchanan Street Albany Westbound exit is part of I-80 east exit 13A
13.3121.42I-80 (1961).svg I-80 east (Eastshore Freeway) Vallejo, Sacramento West end of I-80 overlap; westbound exit and eastbound entrance; I-580 west follows I-80 east exit 13B
Berkeley 14.2422.9212 [lower-alpha 1] Gilman Street
15.0724.2511 [lower-alpha 1] University Avenue Berkeley
16.3726.3410 [lower-alpha 1] California 13.svg SR 13 south (Ashby Avenue) / Shellmound StreetShellmound Street accessible only from westbound I-580 / eastbound I-80
Emeryville 16.9427.269 [lower-alpha 1] Powell Street Emeryville No exit from I-880 north
Oakland 18.0929.11 San Francisco (I-80 west)HOV access only via I-80 west; eastbound exit and westbound entrance
Toll plate yellow.svg
I-80 (1961).svg
I-80 Toll west (Bay Bridge) San Francisco
Eastbound signage; east end of I-80 overlap; I-580 east follows I-80 exit 8B
I-880 (1961).svgAirport Sign.svg I-880 south (Nimitz Freeway) / West Grand Avenue Alameda, San Jose Eastbound exit and westbound entrance; eastbound exit is part of I-80 west exit 8B; access to Oakland International Airport
19AToll plate yellow.svg
I-80 (1961).svg
I-80 Toll west (Bay Bridge) San Francisco
Westbound left exit and eastbound entrance
19.0330.6319AMacArthur Boulevard, San Pablo Avenue (SR 123)Eastbound left exit and westbound entrance
19BWest Street, San Pablo Avenue (SR 123)Westbound exit and eastbound entrance
19.8932.0119CCalifornia 24.svg SR 24 east (Grove-Shafter Freeway) Berkeley, Walnut Creek Signed as exit 19B eastbound; provides direct exit ramp onto Martin Luther King Jr Way/51st Street; SR 24 exit 2B
19DI-980 (1961).svgTo plate blue.svg
I-880 (1961).svg
I-980 west (Grove-Shafter Freeway) to I-880  Downtown Oakland
Signed as exit 19C eastbound; provides direct exit ramp onto 27th Street/West Grand Avenue; I-980 exit 2A; signed as only I-980/Downtown Oakland from 1989-1998
20.2332.5620Webster Street, Broadway-Auto Row Eastbound exit only
20.7633.4121AHarrison Street, Oakland Avenue, MacArthur BoulevardMacArthur Blvd not signed eastbound, Oakland Ave not signed westbound
21.29–
21.56
34.26–
34.70
21BGrand Avenue, Lakeshore AvenueSigned as exits 21B (Grand Ave) and 22A (Lakeshore Ave) westbound
22.3736.0022BPark Boulevard, 14th AvenueSigned as exit 22 eastbound; 14th Ave not signed eastbound
23.4737.7723Fruitvale Avenue, Coolidge AvenueSigned as exit 24 westbound; Coolidge Ave not signed eastbound
23.7538.222435th AvenueEastbound exit and westbound entrance
24.82–
24.98
39.94–
40.20
25MacArthur Boulevard, High StreetSigned as exits 25A (High St) and 25B (MacArthur Blvd) eastbound
25.82–
26.14
41.55–
42.07
26California 13.svg SR 13 north (Warren Freeway) / Seminary Avenue Berkeley Signed as exits 26A (SR 13) and 26B (Seminary Ave) westbound; SR 13 exits 1A-B
26.7543.0527AEdwards AvenueEastbound exit and westbound entrance
27.2643.8727BKeller Avenue, Mountain BoulevardSigned as exit 27 westbound
28.7246.2229AGolf Links Road, 98th AvenueSigned as exit 29 westbound
30.0148.3029B106th Avenue, Foothill BoulevardEastbound exit and westbound entrance
OaklandSan Leandro line30MacArthur Boulevard, Foothill BoulevardWestbound exit and eastbound entrance
30.5849.2131ADutton Avenue, Estudillo Avenue Downtown San Leandro Signed as exit 31 westbound; Dutton Ave not signed westbound
San Leandro 31.1250.0831BGrand Avenue Downtown San Leandro Eastbound exit and westbound entrance
31.6350.9032ABenedict DriveWestbound exit only
32.2151.8432B150th Avenue, Fairmont DriveSigned as exit 32 eastbound
33.3453.6633164th Avenue, Miramar Avenue, Carolyn StreetCarolyn St not signed eastbound, Miramar Ave not signed westbound
Castro Valley 34.2555.1234California 238.svg SR 238 south Hayward No westbound exit
I-238 (1961).svgTo plate blue.svg
I-880 (1961).svg
I-238 north to I-880
Left exit westbound; I-238 exit 14
34.7255.8835Strobridge Avenue
35.5857.2636Redwood Road Castro Valley Castro Valley not signed westbound
36.5358.7937Grove Way, Crow Canyon RoadEastbound signage
Castro Valley BoulevardWestbound signage
38.7162.3039Eden Canyon Road, Palomares Road
PleasantonDublin line44.6171.7944ASan Ramon Road, Foothill Road Dublin
44.2171.15I-580 Express Lanes west endsWest end of westbound Express Lanes
44BI-680 (1961).svg I-680  Sacramento, San Jose I-680 exits 30A-B
45.0872.5545Hopyard Road, Dougherty Road
46.1274.2246Hacienda Drive, Dublin BoulevardDublin Blvd not signed eastbound
I-580 Express Lanes east beginsWest end of eastbound Express Lanes
46.9975.6247Santa Rita Road, Tassajara Road
Dublin 48.2477.6348El Charro Road, Fallon Road
Livermore 49.9780.4250Airway Boulevard, Collier Canyon Road
50.8481.8251California 84.svg SR 84 (Isabel Avenue) / Portola Avenue
51.7883.3352APortola Avenue (CR J2)Closed; former eastbound exit and westbound entrance
52.4184.3552North Livermore Avenue (CR J2) Downtown Livermore Formerly signed as exit 52B eastbound
54.2587.3154First Street, Springtown BoulevardFormer SR 84
55.2688.9355 Vasco Road  Brentwood Brentwood not signed westbound
55.8089.80I-580 Express LanesEast end of Express Lanes in both directions
56.6891.2257North Greenville Road, Altamont Pass Road, Laughlin RoadLaughlin Road not signed eastbound, Altamont Pass Rd not signed westbound
58.9994.9459North Flynn Road
63.49102.1863Grant Line Road Byron
64.84104.3565I-205 (1961).svgTo plate blue.svg
I-5 (1961).svg
I-205 east to I-5 north Tracy, Stockton
Eastbound left exit and westbound entrance
Truck plate.svg
I-580 (1961).svg
I-580 Truck west / Grant Line Road
Westbound truck bypass
San Joaquin
SJ 15.31–0.00
66.99107.8167International Parkway, Patterson Pass Road
Tracy 72.38116.4872Corral Hollow Road (CR J2)
76.01122.3376California 132.svg SR 132 east Modesto Eastbound signage
To plate green.svg
California 132.svg
Chrisman Road to SR 132 east Tracy, Modesto
Westbound signage; ramps connect directly to Chrisman Road to the south of its interchange with SR 132
81.12130.55I-5 (1961).svg I-5 south Fresno, Los Angeles Eastbound exit and westbound entrance; east end of I-580; I-5 north exit 446
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. 1 2 3 4 Exit numbers follow I-80 rather than I-580.

See also

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State Route 132 is a state highway in the U.S. state of California that connects the Central Valley with the Sierra Nevada foothills and the California Gold Country. Its western segment also connects the city of Modesto with the San Francisco Bay Area via I-580, although this route is discouraged due to it being a two-lane road between Modesto and Interstate 5 East of Modesto, the road climbs the foothills and eventually ends at SR 49 at Coulterville.

U.S. Route 101 (US 101) is a major north–south United States Numbered Highway, stretching from Los Angeles, California to Tumwater, Washington. The California portion of US 101 is one of the last remaining and longest U.S. Routes still active in the state, and the longest highway of any kind in California. US 101 was also one of the original national routes established in 1926. Significant portions of US 101 between the Los Angeles area and the San Francisco Bay Area follow El Camino Real, the commemorative route connecting the former Alta California's 21 missions.

Interstate 80 (I-80) is a transcontinental Interstate Highway in the United States, stretching from San Francisco, California, to Teaneck, New Jersey. The segment of I-80 in California runs east from San Francisco across the Bay Bridge to Oakland, where it turns north and crosses the Carquinez Bridge before turning back northeast through the Sacramento Valley. I-80 then traverses the Sierra Nevada, cresting at Donner Summit, before crossing into the state of Nevada within the Truckee River Canyon. The speed limit is at most 65 miles per hour (105 km/h) along the entire route instead of the state's maximum of 70 mph (110 km/h) and most of the route is in either urban areas or mountainous terrain. I-80 has portions designated as the Eastshore Freeway and Alan S. Hart Freeway.

Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. From San Ysidro, the segment of I-5 in California runs north across the length of the state, and crosses into Oregon south of the Medford-Ashland metropolitan area. It is the more important and most-used of the two major north–south routes on the Pacific Coast, the other being U.S. Route 101 (US 101), which is primarily coastal. I-5 is known colloquially as "the 5" to Southern California residents and "5" to Northern California residents due to varieties in California English. The highway connects to the Mexican Federal Highway 1 (Fed. 1) in the south.

References

  1. California Department of Transportation, State Truck Route List (XLS file), accessed February 2008
  2. 1 2 "California Highways: Interstate 580". Cahighways.org. Retrieved January 26, 2013.[ self-published source ][ self-published source ]
  3. California Department of Transportation (August 2019). "Officially Designated State Scenic Highways and Historic Parkways" (XLSX). Sacramento: California Department of Transportation. Retrieved March 27, 2019.
  4. 1 2 3 "Special Route Restriction History: Route 580". California Department of Transportation. Retrieved April 12, 2021.
  5. "Article 2 of Chapter 2 of Division 1". California Streets and Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.
  6. Federal Highway Administration (March 25, 2015). National Highway System: California (North) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved July 29, 2017.
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  8. "Article 2.5 of Chapter 2 of Division 1". California Streets & Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.
  9. California Department of Transportation (August 2019). "Officially Designated State Scenic Highways and Historic Parkways" (XLSX). Sacramento: California Department of Transportation. Retrieved July 29, 2017.
  10. California Department of Transportation (2012). Scenic Highway Guidelines (PDF). Sacramento: California Department of Transportation. p. 5. Retrieved June 8, 2017.
  11. California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  12. "Special Route Restrictions". Caltrans. Retrieved October 2, 2015.
  13. Corbett. "California Assembly Bill 500". Leginfo.ca.gov. Retrieved January 26, 2013.
  14. "New I-580 Express Lanes Now Open In East Bay". KGO-TV. February 19, 2016. Retrieved February 23, 2016.
  15. 1 2 "I-580 Express Lanes". Alameda County Transportation Commission. Retrieved February 26, 2016.
  16. 1 2 "I-580 Express Lanes". www.bayareafastrak.org. CalTrans. Retrieved October 24, 2020.
  17. "High-Occupancy Vehicle (HOV) & Express Lanes Northern California Region" (PDF). HOV_NorCal.pdf. CalTrans. Retrieved June 2, 2016.
  18. "California Highways-Routes 1-8". California Highways. Retrieved September 3, 2012.[ self-published source ]
  19. Peterson, L.M. (March–April 1960). "US 50 Freeway: State Begins Construction on MacArthur Freeway in Oakland". California Highways and Public Works. 39 (3–4): 8. ISSN   0008-1159 via Archive.org.
  20. ["Naming Our City Streets", Albert E. Norman, Oakland Tribune, October 23, 1960]
  21. Peterson, Gary (June 13, 2013). "Bay Area Roadways: Where'd the Names Come From?". San Jose Mercury News. Retrieved August 28, 2018.
  22. [California Highways and Public Works, March-April, pp.12-15]
  23. "Interstate 180".
  24. "I-580 Corridor Improvements: Project List". Archived from the original on January 11, 2007. Retrieved March 2, 2009.
  25. Chand, A.S (October 14, 2016). "Interstate 580 Freeway Interchanges" (PDF). Cal-NExUS. Caltrans . Retrieved June 3, 2020.
  26. Fitzpatrick, Kevin (November 5, 2013). "Sons of Anarchy Review: 'John 8:32'". ScreenCrush.
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