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// Workers AI · dad joke modeWhy did California State Route 113 go to therapy? It had a lot of "route"-ine issues.

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State Route 113 marker
State Route 113
Map
SR 113 highlighted in red
Route information
Maintained by Caltrans
Length59 mi[1] (95 km)
Major junctions
South end SR 12 near Rio Vista
Major intersections
North end SR 99 In Tudor
Location
CountryUnited States
StateCalifornia
CountiesSolano, Yolo, Sutter
Highway system
← SR 112→ SR 114

State Route 113 (SR 113) is an approximately 59-mile (95 km)[1] north–south state highway in California that runs for approximately 10 miles (16 km) west of Rio Vista at SR 12 to SR 99 in Tudor. It is one of two major connecting routes between Interstate 80 (I-80) and I-5 that bypass Sacramento to the west, complementing I-505 farther to the west. Past the southern terminus are Collinsville and Birds Landing around the Suisun Bay marshes. Cities along the route include Dixon, Davis, and Woodland. It also shares a stretch of I-80 between Dixon and just outside UC Davis. The freeway section of SR 113 running between I-80 near UC Davis and I-5 in Woodland is officially designated as the Vic Fazio Highway, after the former U.S. House representative of the Davis area, who is credited with obtaining the funding for the freeway upgrade of that section. The remainder of SR 113 is a standard road of two to four lanes.

Route description

[edit]
Sunflowers grow along SR 113
SR 12/SR 113 roundabout
SR 113 to Dixon sign

SR 113 is defined as Route 113 in section 413 of the California Streets and Highways Code. The definition omits the concurrency with Route 80 instead of duplicating that segment in the other route's definition in the code:[2]

Route 113 is from:
(a) Route 12 to Route 80 near Dixon.
(b) Route 80 near Davis to Route 99 passing near Woodland.

SR 113 begins at the intersection with SR 12 between Fairfield and Rio Vista. It heads north on a rural two-lane highway towards the city of Dixon. After heading through the center of the city, it expands to four lanes before reaching I-80. From there, SR 113 is co-routed along I-80, heading northeast towards the city of Davis. SR 113 then splits from I-80 onto its own freeway alignment, heading north near UC Davis. It is the four-lane freeway (known as the Vic Fazio Highway) connecting I-80 in Davis to I-5 in Woodland, thus rivaling I-505 farther west. After leaving Davis, SR 113 continues north through rural areas for a short stretch, entering Woodland approximately seven miles (11 km) afterward. Upon reaching I-5, it is co-routed for one mile (1.6 km) before splitting off the freeway. From that point, SR 113 leaves Woodland and again heads north on a rural two-lane highway, turning east and north again into the small community of Knights Landing, intersecting with SR 45. It then heads northeast through the small community of Robbins, then turns east to end at SR 99 towards Yuba City.

SR 113 is part of the California Freeway and Expressway System,[3] and south of the northern city limits of Woodland 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]

History

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SR 113 was originally Legislative Route Number (LRN) 101 south of Dixon, defined in 1933; LRN 7 between Davis and Woodland, defined in 1909; and LRN 87 from Woodland to present-day SR 99, defined in 1933. The route was signed as SR 24 for much of its existence. In 1954, the segment from Tudor to Dixon was signed as U.S. Route 40 Alternate (Alt. US 40), part of a much longer route between US 395 and Dixon via the Feather River Canyon, now carried by SR 70, SR 20, SR 99, and SR 113. The latter was signed beginning in 1964 with the elimination of Alt. US 40. The section from Davis to Woodland was gradually updated to freeway standards in stages between 1973 and 1990.[6]

The four-lane freeway known as the Vic Fazio Highway connecting I-80 in Davis to I-5 in Woodland was completed in 1990.

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. Postmile prefixes include: R reflecting a realignment in the route since then, M indicating a second realignment, L referring to an overlap due to a correction or change, and T indicating postmiles classified as temporary.[7] Segments that remain unconstructed or have been relinquished to local control may be omitted. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.

CountyLocationPostmile
[7][1][8]		Exit
[9][10]		DestinationsNotes
Solano
SOL 0.00-R22.45		​0.00Birds Landing Road – Birds Landing, CollinsvilleContinuation beyond SR 12
​0.00 SR 12 – Rio Vista, FairfieldRoundabout; south end of SR 113
​11.61Fry Road – Elmira, Vacaville
Dixon19.29East A Street, West A Street
19.96North Adams StreetFormer US 40 west
R21.24
38.21[N 1]
 I-80 west / Currey Road – San Francisco		Interchange; south end of I-80 overlap; Currey Road is former US 40 east; I-80 east exit 66
South end of freeway on I-80
​66BMilk Farm RoadSouthbound exit only
39.74[N 1]67Pedrick Road (CR E7)Southern terminus of CR E7
​41.30[N 1]69Kidwell Road
​42.67[N 1]
R21.77		26B
 I-80 east – Sacramento		North end of I-80 overlap; SR 113 north follows I-80 exit 70
Yolo
SOL 0.00-R22.45		​R0.4227Hutchison Drive – UC Davis
DavisR1.0828Russell Boulevard – DavisFormer US 40 / US 99W
R2.0829 Road 31, Covell Boulevard (CR E6)Serves Sutter Davis Hospital
R4.1131Road 29
​R6.1133Road 27
​R7.6734Road 25AConnects to former US 40 Alt. east / SR 113 north (East Street)
WoodlandR9.2336 Gibson RoadServes Dignity Health – Woodland Memorial Hospital
R10.2237Main Street (I-5 BL) – WoodlandFormer SR 16
R10.72
R7.09[N 2]
 I-5 south – Sacramento, Los Angeles		South end of I-5 overlap; southbound exit and northbound entrance; serves Sacramento International Airport; I-5 exit 537; northbound exit is via exit 37
R8.26[N 2]
11.30		North end of freeway on I-5



 I-5 north to SR 16 west / East Street – Redding		Interchange; north end of I-5 overlap; East Street is former US 40 Alt. west / SR 113 south; I-5 exit 538
​18.66 CR E10 (Road 13) / CR E11 (Road 99E) – ZamoraEastern terminus of CR E10; southern terminus of CR E11
​M21.20 CR E8 (Road 102)Northern terminus of CR E8
Knights Landing21.90
 SR 45 north (4th Street) – Grimes, Colusa		Southern terminus of SR 45
Sutter
SUT 0.00-16.38		​16.38 SR 99 – Yuba City, SacramentoInterchange; north end of SR 113; former US 40 Alt. east
​16.38East Tudor RoadContinuation beyond SR 99; former SR 99 south
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. 1 2 3 4 Indicates that the postmile represents the distance along I-80 rather than SR 113.
  2. 1 2 Indicates that the postmile represents the distance along I-5 rather than SR 113.

See also

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References

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  1. 1 2 3 California Department of Transportation (July 2007). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  2. ↑ "Section 413". California Streets and Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved July 20, 2026.
  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: Davis, CA (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved September 30, 2017.
    Federal Highway Administration (March 25, 2015). National Highway System: Woodland, CA (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved September 30, 2017.
    Federal Highway Administration (March 25, 2015). National Highway System: California (North) (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved September 30, 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. ↑ "California Highways". California Highways.org. August 5, 2025. Retrieved June 20, 2026.[self-published source]
  7. 1 2 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.
  8. ↑ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006
  9. ↑ California Department of Transportation, California Numbered Exit Uniform System, State Route 113 Freeway Interchanges, Retrieved on 2009-02-07.
  10. ↑ California Department of Transportation, California Numbered Exit Uniform System, Interstate 80 Freeway Interchanges, Retrieved on 2009-02-07.
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