|Dwight D. Eisenhower Highway|
|Defined by Streets and Highways Code § 380|
|Maintained by Caltrans|
|Length||205.07 mi (330.03 km)|
|Existed||July 1, 1964 –present|
|Yuba-Donner Scenic Byway|
|Restrictions||No flammable tank vehicles or explosives on the Bay Bridge|
|West end||US 101 in San Francisco|
|East end||I-80 at Nevada state line near Verdi, NV|
|Counties||San Francisco, Alameda, Contra Costa, Solano, Napa, Yolo, Sacramento, Placer, Nevada, Sierra|
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) as 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.
Throughout California, I-80 was built along the corridor of U.S. Route 40 (US 40), eventually replacing this designation entirely. The prior US 40 corridor itself was built along several historic corridors in California, notably the California Trail and Lincoln Highway. The route has changed from the original plans in San Francisco due to freeway revolts canceling segments of the originally planned alignment. Similarly in Sacramento, the freeway was re-routed around the city after plans to upgrade the original grandfathered route through the city to Interstate highway standards were cancelled.
I-80 is recognized as the Dwight D. Eisenhower Highway in the western United States and a Blue Star Memorial Highway for its entire length. In California, it follows the original corridor of the Lincoln Highway from Sacramento to Reno (with minor deviations near Donner Summit). I-80 is part of the California Freeway and Expressway System,and is part of the National Highway System, a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration. I-80 is also known as the Dutch Flat and Donner Lake Wagon Road from Emigrant Gap to Donner Lake. The segment of I-80 from Emigrant Gap to Truckee also forms part of the Yuba-Donner Scenic Byway, a National Forest Scenic Byway.
According to the California Streets and Highways Code, most maps, and local signs, I-80 begins at the interchange with U.S. Route 101 in San Francisco. However, federal records place the western terminus of I-80 at the western approach to the San Francisco–Oakland Bay Bridge, at the location of the Fremont Street off-ramp (previously known as the Terminal Separator Structure that once connected it to the Embarcadero Freeway). 1.20 miles (1.93 km) of the signed Interstate, known as the San Francisco Skyway or Bayshore Viaduct, are actually part of the Interstate Highway System, although it is consistently shown as I-80 on most maps of San Francisco.The federal and state governments disagree as to whether the first
The Eastshore Freeway is a segment of Interstates 80 and 580 along the northeast shoreline of San Francisco Bay. It runs from the MacArthur Maze interchange just east of the eastern end of the San Francisco–Oakland Bay Bridge to the Carquinez Bridge. Interstate 580 splits from the Eastshore Freeway at an interchange known locally as the "Hoffman Split" in Albany. The section of the Eastshore Freeway between the MacArthur Maze and the 580 (Hoffman) split between Albany is a wrong-way concurrency where the northbound direction is signed as I-80 East and I-580 West, while the southbound direction is signed as westbound I-80 and eastbound I-580. This segment suffers from severe traffic congestion during rush hour due to the merger of three freeways (I-80, I-580, and I-880) at the MacArthur Maze.
The Eastshore Freeway was created in the mid 1950s(construction commenced in 1954, last segment completed May 10, 1960 ) by re-engineering the Eastshore Highway, a thoroughfare constructed in the 1930s (1934–37) as one of the approaches to the Bay Bridge and designated as part of U.S. Route 40. The Eastshore Highway began in El Cerrito at an intersection with San Pablo Avenue at Hill Street between Potrero Avenue and Cutting Blvd., adjacent to the location today of the El Cerrito Del Norte station of BART. It was not a freeway in that access was at intersections with adjoining streets rather than by ramps. The Eastshore Highway ran from El Cerrito to the Bay Bridge along the same routing as today's freeway, although it was much narrower. A causeway was constructed for this purpose by filling in part of the mudflats along the bayshore. In the stretch from University to Ashby Avenues in Berkeley, this resulted in the creation of an artificial lagoon which was developed by the Works Progress Administration in the late 1930s as "Aquatic Park".
The frontage road along the east side of today's Eastshore Freeway between Buchanan Street in Albany and Hearst Avenue in Berkeley retains the name "Eastshore Highway". The terminal segment of the old Eastshore Highway in El Cerrito between Potrero and San Pablo Avenues is today named "Eastshore Boulevard".
Originally, the name "Eastshore Freeway" was also applied to what is today known as the "Nimitz Freeway" (I-880) from the beginning of its construction in 1947. This freeway was dedicated in 1958 to Admiral Nimitz, and so for a few years in the 1950s prior, the Eastshore Freeway stretched the entire length of the east shore of San Francisco Bay. 17) together with the Nimitz Freeway.Until the late 1960s, the Eastshore Freeway was also designated as part of State Route 17 (SR
This section of I-80 has a top speed of 65 mph (105 km/h), unlike California's top speed limit of 70 mph (110 km/h), common in rural freeways. I-80 is a six- to eight-lane freeway with carpool lanes in Fairfield from exit 39A (Red Top Road) to exit 47 (Air Base Parkway).
I-80 has changed routing in the Sacramento area. Currently, the freeway runs on a northern bypass of the city, the Beltline Freeway, that was originally designated I-880. The I-80 routing alignment was moved from a route through Sacramento, now U.S. Route 50 and I-80 Business, after the proposed I-80 replacement of the North Sacramento Freeway was canceled. The Beltline Freeway runs northeast from the junction of I-80 and U.S. Route 50 in West Sacramento across I-5 to its junction northeast of Sacramento with I-80 Business (which is SR 51). SR 244 heads east as a short freeway spur from that interchange.
Crossing the Sierra Nevada, I-80 regularly gets snow at higher elevations from fall to spring. Caltrans sometimes requires vehicles to use snow tires, snow chains or other traction devices in the mountains during and after snowstorms.Checkpoints are often set up to enforce chain restrictions on vehicles bound for icy or snowy areas. When chain restrictions are in effect vehicles must have chains on the driving wheels, except 4WD vehicles with snow tires. Additionally, during the winter season, trucks are required to carry chains whether or not controls are in force.
I-80 crosses the Sierra Nevada crest at Donner Summit (also known as Euer Saddle) at an elevation of 7,239 feet (2,206 m) westbound and 7,227 feet (2,203 m) eastbound. The Donner Summit Rest Area is located at this point. The summit is located in Nevada County, California. The pass is generally open year-round; it is plowed in winter, but may temporarily close during the worst snowstorms. The older, original US 40/Lincoln Highway route over Donner Pass is about two miles (3 km) to the south. This highway was replaced as the official trans-Sierra route by I-80 in 1964. Although the current Donner Pass is lower, Euer Saddle was chosen for the interstate because of more gradual approaches that aided construction to Interstate Highway standards, which do not allow the sharp curves used by the Donner Pass Road. The grade is 3-6% for 30 miles.
|Location||San Francisco–Nevada state line|
In California I-80 was built along the line of, and eventually replaced, U.S. Route 40. The US 40 designation was eliminated in the state as part of the 1964 state highway renumbering. US 40 was one of the original California routes designed in 1926, although its west end was in Oakland, California with US 101E (then SR 17, then I-5W, now I-580/I-880) prior to the San Francisco–Oakland Bay Bridge opening in 1936. An auto ferry ran from Berkeley to San Francisco, signed at the ferry landings for U.S. 40. After the Bay Bridge's construction, US 40, along with US 50, were extended along the bridge to connect with US 101. The auto ferry service was then discontinued.
US 40 and US 50 both followed the Bay Bridge and the routes split on what is the present day MacArthur Maze in Oakland, California. US 50 continued southeast on present-day I-580 to Stockton and US 40 closely followed the route of present-day I-80. When reaching Sacramento, California, US 40 and US 50 rejoined, US 50 running concurrently with former US 99 from Stockton to Sacramento. US 40 then again split with US 50 in Downtown Sacramento and closely followed the route of present-day Business I-80, which was I-80 from 1957 to 1981, when I-80 was realigned along former I-880, routing along what was then the outskirts of Sacramento. US 40 then closely followed I-80 through the Sierra Nevada into Nevada.
A portion of old US 40 near Donner Lake is still intact and is an alternate route of I-80. It begins near Soda Springs and ends at Truckee, California. At one point, it travels right by Donner Lake, unlike I-80, which ascends higher in the Sierra Nevada north of historic US 40.
When I-80 was first approved, it was to begin at planned I-280 (SR 1) in Golden Gate Park, head east on the never-built Panhandle Freeway, then run south and southeast on the Central Freeway (US 101) to the San Francisco Skyway. The Panhandle Freeway was to be routed through Hayes Valley, passing through Golden Gate Park and terminating at proposed I-280, now SR 1.In 1964, community oppositions forced CalTrans to abandon the Panhandle Freeway project. A January 1968 amendment moved I-280 to its present alignment, degraded Interstate 480, to a state highway, and truncated the origin point of I-80 to the Embarcadero Freeway (then I-280, formerly I-480). Prior to that truncation, I-80 had been defined as from "Route 280 in San Francisco to the Nevada state line near Verdi, Nevada, passing near Division Street in San Francisco, passing near Oakland, via Albany, via Sacramento, passing near North Sacramento, passing near Roseville, via Auburn, via Emigrant Gap, via Truckee and via the Truckee River Canyon," and certain maps had been shown of I-80 running concurrently with US 101 to Fell Street. These changes were made on the state level later that year, but Route 80 was only truncated to US 101. (The Central Freeway remained part of US 101, and the Panhandle Freeway became State Route 241. The Panhandle Freeway was later cancelled in the wake of the Freeway Revolts, and the State Route 241 designation has since been reassigned to an unrelated stretch of highway in Orange County.) The San Francisco Skyway, which had already been signed as part of I-80, has remained a de facto section of I-80 to the present day and remains listed as part of the Interstate in California.
In 2000, the San Francisco Chronicle published an article about the proposed construction of a new freeway through San Francisco. According to the article, the suggested 19th Avenue tunnel would run five miles (8.0 km), from Junipero Serra Boulevard through Golden Gate Park and up to Lake Street, with exits at Brotherhood Avenue, Ocean Avenue, Quintara Street, Lincoln Way, and Geary Boulevard. The Van Ness tunnel would run almost two miles (3.2 km), from about Fell Street to Lombard Street, with exits at Broadway and Geary Boulevard. Along Oak and Fell, the planners suggested an underground road running more than half a mile (0.8 km) from Laguna to Divisadero streets. However, the roads would violate the long-standing general plan for San Francisco, which calls for no new highway capacity. In March 2015, this proposed route was adopted by the CTC. [ failed verification ]
Prior to the construction of I-80, the US 40 corridor suffered from frequent car accidents. Reasons included the many traffic lights and stop signs that seemed to appear out of nowhere. Caltrans listed five intersections with high accident rates and claimed construction of I-80 would reduce such accidents. According to a study done on I-80 in Vallejo from 1955 and 1956, prior to the freeway construction, and 1957 and 1958, after the freeway was constructed, the accident rate dropped 73% and there were 245 fewer accidents on the then-new I-80 freeway.
The new route also made traveling across the Sierra Nevada far easier. Before construction, US 40 was a two-lane undivided highway with winding turns. ft. Driving across the Sierra Nevada became far easier with the construction of I-80 across Donner Summit, since that pass is closed only for intense snowstorms.[ citation needed ]This route was often closed in the winter because of the high elevation of the Donner Pass (7239 feet), and drivers had to use a much longer route to the north, US 40 ALT, now SR 70 using the Beckwourth Pass, at an elevation of 5221
In 1964, Caltrans desired to reduce the number of designated routes in the California state highways system. 50 to West Sacramento. The entire route of US 40 was deleted in the western United States due to the completion of I-80. Also, the number "40" was duplicated along I-40, at that time, a newly built route in southeastern California. I-40 was to be numbered I-30, but the American Association of State Highway and Transportation Officials (AASHTO) rejected the numbering.The Interstate Highway system, designed and built starting in 1956, was adding on to the already increased number of U.S. Routes and state highways. In result, the 1964 renumbering truncated US
The state law authorizing the renumbering was passed on September 20, 1963. Signage changes took place by July 1, 1964, and US 40 was decommissioned.US 40 was one of the first US Routes to be decommissioned completely in California.
In the Sacramento area, I-80 has been realigned to many routes.In 1964, I-80 used the old US 40/99E freeway, the current I-80 BUS, while a year later, I-80 was proposed to be realigned along a new freeway that would run south of the former I-80/I-880 northeast of Sacramento, run to south of the American River, and rejoin I-80. This was necessary because the 1964 I-80 failed to meet Interstate standards.
In 1972, I-880 was completed, while a part of the new alignment of I-80 was completed but not open to traffic, where there was a long bridge to nowhere.From 1972 to 1980, Interstate 880 began in West Sacramento as a fork from the original I-80, continues northeast over the Sacramento River to its interchange with I-5, continues east through the communities of North Sacramento and Del Paso Heights and ends at an interchange with the Roseville Freeway (I-80). The now-designated Capital City Freeway was then the original I-80 routing, continuing southwest directly into downtown Sacramento. I-80 was then re-routed along the Beltline Freeway in 1983, while the Capital City Freeway became I-80 Business, also I-305 and SR 51. I-880 would have intersected SR 244 and then US 50, but in 1979, the Sacramento City Council voted to delete the proposed I-80 alignment for rail transit. The constructed 244/51/80 split is now used for three railroad stations. In 1980, the new I-80 alignment was deleted from the Interstate system. SR 244 was then truncated from its proposed alignment to the only freeway section of the abandoned project in 1994, which is about a mile long. In 1982–84, I-880 was reassigned to SR 17 running from Oakland to San Jose, after two to four years of inactivity.
On October 17, 1989, the Loma Prieta earthquake was responsible for 63 deaths and 3,757 injuries. The San Francisco–Oakland Bay Bridge, which is part of I-80, suffered severe damage, as a 76-by-50-foot (23 m × 15 m) section of the upper deck on the eastern cantilever side fell onto the deck below. The quake caused the Oakland side of the bridge to shift 7 inches (18 cm) to the east, and caused the bolts of one section to shear off, sending the 250-short-ton (230 t) section of roadbed crashing down like a trapdoor. Caltrans removed and replaced the collapsed section, and re-opened the bridge on November 18.
In 2002, due to the risk of a future large earthquake, Caltrans started building a new eastern span. The department advertised that the new span of the Bay Bridge used a new earthquake-resisting technique that would not collapse in an earthquake similar to the Loma Prieta earthquake. billion.The new eastern span opened on September 2, 2013, at an estimated cost of $6.4
|City and County of San Francisco||0.00–|
|1||US 101 – San Jose, Golden Gate Bridge||Signed as exits 1A (south) and 1B (north); western terminus; US 101 north exit 433B, south exit 433|
|Seventh Street||Eastbound exit and westbound entrance|
|1C||Ninth Street – Civic Center||Westbound exit and eastbound entrance|
|2A||Fifth Street||Westbound exit and eastbound entrance|
|2||Fourth Street||Eastbound exit and westbound entrance|
|2B||Harrison Street / Embarcadero||Westbound exit and eastbound entrance; former Fremont Street exit|
|2C||Fremont Street / Folsom Street||Westbound exit and eastbound entrance; former Main Street / SR 480 exit|
|San Francisco Bay||3.75||6.04||San Francisco–Oakland Bay Bridge (west span)|
|4.18||6.73||4A||Treasure Island||Eastbound left exit and westbound entrance|
|Yerba Buena Tunnel|
|4B||Yerba Buena Island||Former eastbound exit; closed as part of the Bay Bridge eastern span replacement|
|4||Treasure Island, Yerba Buena Island||No eastbound exit|
|5.31||8.55||San Francisco–Oakland Bay Bridge (east span; westbound toll only)|
|Alameda||Oakland||7.83||12.60||8A||I-880 south (Nimitz Freeway) – Alameda, San Jose||Eastbound exit and westbound entrance; I-880 exit 46A; access to Oakland International Airport; former SR 17 south|
|♦||Bay Bridge Toll Plaza parking lot only||Access via the HOV lane; entrance to Bay Bridge via left turn at a stop sign at the west side of the complex|
|8A||West Grand Avenue / Maritime Street||Westbound signage; eastbound access via exit 8A/I-880|
I-580 east (MacArthur Freeway) to SR 24 – Downtown Oakland, Hayward, Stockton
|Eastbound signage; I-580 west exit 19A|
|I-580 east (MacArthur Freeway) / I-880 south (Nimitz Freeway) – Downtown Oakland, Hayward, Stockton, Alameda, San Jose||Western end of I-580 overlap; I-880 was former SR 17 south; westbound left exit and eastbound entrance; I-880 exit 46B; access to Oakland International Airport|
|Emeryville||9.10||14.65||9||Powell Street – Emeryville||No eastbound exit from I-880 north|
|Berkeley||9.89||15.92||10||SR 13 (Ashby Avenue) / Shellmound Street||Shellmound Street accessible eastbound only|
|11.13||17.91||11||University Avenue – Berkeley||Serves UC Berkeley|
|Albany||12.61||20.29||13A||Buchanan Street – Albany||Signed as exit 13 westbound; Buchanan Street not signed westbound|
|12.91||20.78||13B||I-580 west – Point Richmond, San Rafael||Eastern end of I-580 overlap; former SR 17 north; eastbound exit and westbound entrance|
|—||Pierce Street||Former eastbound exit and entrance; demolished as part of reconstruction of I-80 / I-580 interchange in Albany|
|Contra Costa||Richmond||13.57||21.84||14A||Central Avenue – El Cerrito||El Cerrito not signed westbound|
|El Cerrito||15.02||24.17||15||Potrero Avenue||Eastbound exit and westbound entrance|
|Richmond||Cutting Boulevard (SR 123)||Westbound exit and eastbound entrance|
|♦||Cutting Boulevard||HOV access only; westbound left exit and eastbound entrance|
|15.97||25.70||16A||Macdonald Avenue||Eastbound exit and westbound entrance|
|16.31||26.25||16B||San Pablo Avenue, Barrett Avenue||Signed as exit 16 westbound; Barrett Avenue formerly signed as Central Richmond|
|16.76||26.97||17||Solano Avenue||Eastbound exit and westbound entrance|
|McBryde Avenue||Westbound exit only|
|San Pablo||17.69||28.47||18||San Pablo Dam Road|
|Richmond||18.60||29.93||19A||El Portal Drive|
|19.33||31.11||19B||Hilltop Mall, Auto Plaza||Formerly signed as Hilltop Drive|
|Richmond–Pinole line||♦||Richmond Parkway||HOV access only; eastbound left exit and westbound entrance|
Richmond Parkway, Fitzgerald Drive to I-580 west
|Unconstructed SR 93|
|21.86||35.18||22||Pinole Valley Road|
|Hercules||23.41||37.67||23||SR 4 east – Hercules, Stockton||Eastbound signage; no westbound access to SR 4 east; SR 4 exit 1B|
|24.04||38.69||24||Willow Avenue – Rodeo|
Cummings Skyway to SR 4 east – Martinez, Concord
|||26.84||43.19||27||Pomona Street – Crockett, Port Costa|
|Carquinez Strait||27.49||44.24||Carquinez Bridge (eastbound toll only)|
|29A||SR 29 (Sonoma Boulevard)||Eastbound exit and westbound entrance|
|Maritime Academy Drive||Westbound exit and entrance|
|29B||Sequoia Avenue||Eastbound exit only|
|29.27||47.11||29C||Magazine Street||Signed as exit 29B westbound|
I-780 to I-680 / Curtola Parkway – Benicia, Martinez
|Former I-680 south; I-780 exits 1A-B|
|29.93||48.17||30B||Frontage Road (to Benicia Road)||Eastbound exit only; former SR 141|
|30.37||48.88||30C||Georgia Street – Central Vallejo||Signed as exit 30B westbound|
|30.72||49.44||31A||Springs Road / Solano Avenue|
|30.98||49.86||31B||Tennessee Street – Mare Island|
|31.92||51.37||32||Redwood Parkway / Redwood Street||Signed as exits 32A (east) and 32B (west) eastbound|
|33.12||53.30||33||SR 37 west / Columbus Parkway – Napa, Novato, San Rafael, Auto Mall||Signed as exits 33A (Columbus Parkway) and 33B (SR 37) westbound; SR 37 exit 21A to I-80 west|
|34.12||54.91||Hunter Hill Rest Area (westbound only)|
| Napa–Solano |
|||35.59||57.28||36||American Canyon Road|
|Solano||Fairfield||38.88||62.57||39A||Red Top Road||Signed as exit 39 eastbound|
|39B||SR 12 west – Napa, Sonoma||Western end of SR 12 overlap; eastbound access is via exit 39|
|40||Green Valley Road||Westbound access is part of exit 41|
|I-680 south – Benicia, Martinez, San Jose||Former SR 21; I-680 north exits 71A-B|
|41||Suisun Valley Road / Pittman Road|
|43.32||69.72||43||SR 12 east – Suisun City, Rio Vista||Eastern end of SR 12 overlap; westbound exit is via exit 43|
|43.64||70.23||44A||Abernathy Road / Suisun Parkway||Signed as exit 43 westbound|
|44.22||71.17||44B||West Texas Street, Rockville Road||Signed as exit 44 westbound|
|46.68||75.12||47||Waterman Boulevard, Air Base Parkway – Travis AFB||Signed as exits 47A (Air Base Parkway) and 47B (Waterman Boulevard) westbound|
|48.30||77.73||48||North Texas Street, Manuel Campos Parkway|
|Vacaville||50.62||81.46||51A||Lagoon Valley Road, Cherry Glen Road|
|51.16||82.33||51B||Peña Adobe Road|
|52||Cherry Glen Road||Westbound exit only|
|52.81||84.99||53||Alamo Drive, Merchant Street|
|53.97||86.86||54B||Peabody Road, Mason Street – Elmira|
|54.74||88.10||55||Monte Vista Avenue, Allison Drive, Nut Tree Parkway|
|55.86||89.90||56||I-505 north – Winters, Redding||I-505 exits 1A-B|
|57.29||92.20||57||Leisure Town Road, Vaca Valley Parkway|
|58.80||94.63||59||Meridian Road, Weber Road|
|60.12||96.75||60||Midway Road, Lewis Road|
|Dixon||64.04||103.06||63||Dixon Avenue, West A Street|
|64.38||103.61||64||Pitt School Road|
|65.70||105.73||66A||SR 113 south (First Street) / Currey Road – Dixon||Western end of SR 113 overlap; signed as exit 66 eastbound|
|66B||Milk Farm Road||Westbound exit only|
|67.22||108.18||67||Pedrick Road (CR E7)|
|||70.16||112.91||70||SR 113 north (Vic Fazio Highway) – Woodland||Eastern end of SR 113 overlap; SR 113 exits 26A-B|
|||70.50||113.46||71||UC Davis (Old Davis Road)|
|Yolo||Davis||72.44||116.58||72||Richards Boulevard – Downtown Davis||Signed as exits 72A (south) and 72B (north) westbound|
|73.05||117.56||73||Olive Drive||Westbound exit only; former US 40 west / US 99W north|
|74.89||120.52||75||Mace Boulevard (CR E6)|
|||78.00||125.53||78||Road 32A / East Chiles Road|
|West Sacramento||81.39||130.98||81||West Capitol Avenue, Enterprise Boulevard||West Capitol Avenue was former US 40 east / US 99W south|
|82.12||132.16||82||US 50 east (I-305 east) – Sacramento, South Lake Tahoe||Eastbound exit and westbound entrance are on the left; former I-80 / US 40 east / US 99W south; US 50 exit 1A–B|
|83.46||134.32||83||Reed Avenue (SR 84)|
|Sacramento||Sacramento||85.29||137.26||85||West El Camino Avenue|
I-5 to SR 99 – Los Angeles, Redding
|I-5 exit 522|
|91.56||147.35||91||Raley Boulevard, Marysville Boulevard – Del Paso Heights|
|94||Light Rail Stations (Roseville Road, Watt/I-80 West, and Watt/I-80)||Westbound left exit and eastbound left entrance; also accessible as part of exit 93 westbound|
|||94A||Watt Avenue||Westbound access via exit 95|
|||94B||Auburn Boulevard (SR 244)|
I-80 BL west (Capital City Freeway) to SR 99 south – Sacramento
|Westbound exit and eastbound entrance; eastbound exit is part of exit 94A; former I-80 west|
|||98.38||158.33||98||Greenback Lane, Elkhorn Boulevard (CR E14)|
|Citrus Heights||100.62||161.93||100||Antelope Road|
|Placer||Roseville||102.20||164.47||102||Riverside Avenue, Auburn Boulevard – Roseville, Citrus Heights||Former US 40 / SR 65|
|103.91||167.23||103||Douglas Boulevard, Sunrise Avenue (CR E2)||Signed as exits 103A (east) and 103B (west) eastbound|
|105.00||168.98||105A||Atlantic Street, Eureka Road||Signed as exits 105A (Eureka Road) and 105B (Atlantic Street) westbound|
|105.59||169.93||105B||Taylor Road, Pacific Street||Westbound exit is via exit 105A|
|Roseville–Rocklin line||106.09||170.74||106||SR 65 north – Lincoln, Marysville||SR 65 exits 306A-B|
|109.35||175.98||109||Sierra College Boulevard (CR E3)|
|Loomis||110.65||178.07||110||Horseshoe Bar Road|
|||112.28||180.70||112||Penryn Road – Penryn|
|||115.74||186.27||115||Newcastle Road – Newcastle|
|||116.23||187.05||116||SR 193 west – Lincoln||Western end of SR 193 overlap|
|Auburn||118.84||191.25||118||Ophir Road||Westbound exit and eastbound entrance|
|119.22||191.87||119A||Maple Street, Nevada Street|
|119.47||192.27||119B||SR 49 north (Grass Valley Highway) – Grass Valley||Western end of SR 49 overlap|
|119.76||192.74||119C||SR 49 south (SR 193 east, Elm Avenue) – Placerville||Eastern end of SR 49 / SR 193 overlap|
|120.87||194.52||120||Lincoln Way, Russell Road||No eastbound entrance|
|||121.40||195.37||121||Auburn Ravine Road – Foresthill|
|||124.14||199.78||124||Dry Creek Road|
|||125.36||201.75||125||Clipper Gap, Meadow Vista (Placer Hills Road)|
|||130.52||210.05||130||West Paoli Lane|
|||131.25||211.23||131||Weimar Cross Road|
|Colfax||133.72||215.20||133||Canyon Way, Placer Hills Road|
|135.06||217.36||135||SR 174 – Colfax, Grass Valley|
|||140.28||225.76||139||Rollins Lake Road, Magra Road||Westbound exit and entrance|
|||140||Secret Town Road, Magra Road|
|||143.30||230.62||143||Magra Road – Gold Run|
|||143.68||231.23||Gold Run Rest Area|
|||144.13||231.95||144||Gold Run||Westbound exit and eastbound entrance|
|||150.93||242.90||150||Drum Forebay Road|
|||157.99||254.26||158A||Emigrant Gap||Signed as exit 158 westbound|
|||158.79||255.55||158B||Laing Road||Eastbound exit only|
|||161.47||259.86||161||SR 20 west – Nevada City, Grass Valley|
|||163.96||263.87||164||Eagle Lakes Road|
|Placer||||165.45||266.27||165||Cisco Grove (Cisco Road)|
|||166.73||268.33||166||Big Bend||Eastbound exit only|
|||168.13||270.58||168||Rainbow Road – Big Bend|
|Nevada||||174.18||280.32||174||Soda Springs, Norden|
|||176.77||284.48||176||Boreal Ridge Road – Castle Peak|
|||177.22||285.21||Donner Summit Rest Area|
|Truckee||180.09||289.83||180||Donner Lake (Donner Lake Road)|
|184.91||297.58||184||Donner Pass Road|
|185.86||299.11||185||SR 89 south – Tahoe City, Lake Tahoe, Squaw Valley||Western end of SR 89 overlap|
|186.67||300.42||186||Central Truckee||No eastbound entrance|
|187.99||302.54||188A||Truckee||Eastbound exit and westbound entrance|
|188.30||303.04||188B||SR 89 north / SR 267 south – Sierraville, Lake Tahoe||Eastern end of SR 89 overlap; signed as exit 188 westbound|
|190.96||307.32||Agricultural Inspection Station (westbound only)|
|Sierra||||205.07||330.03||I-80 east – Reno||Continuation into Nevada|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi|
There are eight associated routes of I-80: seven auxiliary Interstate Highways and one business route; these routes are I-280, I-380, I-580, I-680, I-780, I-880, I-980, and I-80 Bus.. Three former routes exist: I-180, I-480, and I-880.
Interstate 238 (I-238) is an auxiliary Interstate Highway in the San Francisco Bay Area in the U.S. state of California. It comprises the northernmost 2.126 miles (3.421 km) of Route 238, as defined by the California Streets and Highways Code. Originally signed as State Route 238 (SR 238) until 1983, it connects I-580 in Castro Valley with I-880 in San Leandro.
Interstate 880 (I-880) is a north–south auxiliary Interstate Highway in the San Francisco Bay Area of Northern California. It runs from I-280 and State Route 17 (SR 17) in San Jose to I-80 and I-580 in Oakland, running parallel to the eastern shore of San Francisco Bay. For most of its route, I-880 is officially known as the Nimitz Freeway, after World War II fleet admiral Chester Nimitz, who retired to the Bay Area. The northernmost five miles is also commonly referred to as the Cypress Freeway, after the former alignment of the freeway, and its subsequent replacement.
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.
Interstate 980 (I-980) is a short 2.0-mile (3.2 km) auxiliary Interstate Highway spur entirely within the City of Oakland in Northern California, connecting Interstate 580 and State Route 24 to Interstate 880 near Downtown Oakland. I-980 passes the Oakland Convention Center and near the famous Jack London Square. I-980 is commonly considered the dividing line between Downtown Oakland and West Oakland. The freeway was planned as the eastern approach to the San Francisco Bay Southern Crossing. It is officially known as the John B. Williams Freeway, after the former director of the City of Oakland's Office of Community Development.
Interstate 680 (I-680) is a north–south auxiliary Interstate Highway in Northern California. It curves around the eastern cities of the San Francisco Bay Area from San Jose to Interstate 80 at Fairfield, bypassing cities along the eastern shore of San Francisco Bay such as Oakland and Richmond while serving others more inland such as Pleasanton and Concord.
Interstate 280 (I-280) is a 57.5-mile-long (92.5 km) major north–south auxiliary Interstate Highway in the San Francisco Bay Area of Northern California. It runs from I-680 and US 101 in San Jose to King and Fifth Streets in San Francisco, running just to the west of the larger cities of San Francisco Peninsula for most of its route.
State Route 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.
State Route 92 is a state highway in the U.S. state of California, serving as a major east-west corridor in the San Francisco Bay Area. From its west end at State Route 1 in Half Moon Bay near the coast, it heads east across the San Francisco Peninsula and the San Mateo–Hayward Bridge to downtown Hayward in the East Bay at its junction with State Route 238 and State Route 185. It has interchanges with three freeways: Interstate 280, U.S. Route 101 in or near San Mateo, and Interstate 880 in Hayward. It also connects indirectly to Interstates 238 and 580 by way of Hayward's Foothill Boulevard, which carries Route 238 and flows directly into Route 92.
State Route 24 is a heavily traveled east–west state highway in the U.S. state of California that serves the eastern side of the San Francisco Bay Area. A freeway throughout its entire length, it runs from the Interstate 580/Interstate 980 interchange in Oakland, and through the Caldecott Tunnel under the Berkeley Hills, to the Interstate 680 junction in Walnut Creek. It lies in Alameda County, where it is highly urban, and Contra Costa County, where it passes through wooded hillsides and suburbs. SR 24 is a major connection between the San Francisco–Oakland Bay Bridge/MacArthur Maze complex and the inland cities of the East Bay.
State Route 82 is a state highway in the U.S. state of California that runs from Interstate 880 (I-880) in San Jose to I-280 in San Francisco following the San Francisco Peninsula. It is the spinal arterial road of the peninsula and runs parallel to the nearby Caltrain line along much of the route. For much of its length, the highway is named El Camino Real and formed part of the historic El Camino Real mission trail. It passes through and near the historic downtowns of many Peninsula cities, including Burlingame, San Mateo, Redwood City, Menlo Park, Palo Alto, Mountain View, and Sunnyvale, and through some of the most walkable and transit-oriented neighborhoods in the region.
State Route 123 is a state highway in the U.S. state of California in the San Francisco Bay Area. Named San Pablo Avenue for virtually its entire length, SR 123 is a major north–south state highway along the flats of the urban East Bay. Route 123 runs about 7.39 miles (11.9 km) between Interstate 580 in Oakland in the south and Interstate 80 in Richmond in the north. San Pablo Avenue itself, a portion of Historic US 40, continues well past these termini, south to Downtown Oakland and north to Crockett, but without the Route 123 designation.
The State Scenic Highway System in the U.S. state of California is a list of highways, mainly state highways, that have been designated by the California Department of Transportation (Caltrans) as scenic highways. They are marked by the state flower, a California poppy, inside either a rectangle for state-maintained highways or a pentagon for county highways.
State Route 61 is a state highway in the U.S. state of California, running along the eastern edge of Oakland International Airport and through Alameda. Two additional "hidden" state highways, State Route 112 and State Route 260, are also signed as part of SR 61, despite having legal descriptions separate from Route 61.
The MacArthur Maze is a large freeway interchange near the east end of the San Francisco–Oakland Bay Bridge in Oakland, California. It splits Bay Bridge traffic into three freeways—the Eastshore (I-80/I-580), MacArthur (I-580) and Nimitz (I-880).
State Route 17 is a state highway in the U.S. state of California that runs from State Route 1 in Santa Cruz to I-280 and I-880 in San Jose. SR 17, a freeway and expressway, carries substantial commuter and vacation traffic through the Santa Cruz Mountains at Patchen Pass between Santa Cruz and the San Francisco Bay Area.
Interstate 80 Business, called the Capital City Freeway in its entirety and also known as Business 80, is a business loop of Interstate 80 (I-80) through Sacramento, California, United States. The route is also colloquially referred to as "Cap City Freeway" and "Biz 80". The entire route is a freeway.
U.S. Route 50 (US 50) is a transcontinental United States Numbered Highway, stretching from West Sacramento, California, in the west to Ocean City, Maryland, in the east. The California portion of US 50 runs east from Interstate 80 (I-80) in West Sacramento to the Nevada state line in South Lake Tahoe. A portion in Sacramento also has the unsigned designation of Interstate 305. The western half of the highway in California is a four-or-more-lane divided highway, mostly built to freeway standards, and known as the El Dorado Freeway outside of downtown Sacramento. US 50 continues as an undivided highway with one eastbound lane and two westbound lanes until the route reaches the canyon of the South Fork American River at Riverton. The remainder of the highway, which climbs along and out of the canyon, then over the Sierra Nevada at Echo Summit and into the Lake Tahoe Basin, is primarily a two-lane road.
California's transportation system is complex and dynamic. Although known for its car culture and extensive network of freeways and roads, the state also has a vast array of rail, sea, and air transport. Several subway, light rail, and commuter rail networks are found in many of the state's largest population centers. In addition, with the state's location on the West Coast of the United States, several important ports in California handle freight shipments from the Pacific Rim and beyond. A number of airports are also spread out across the state, ranging from small general aviation airports to large international hubs like Los Angeles International Airport and San Francisco International Airport.
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.
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