State Route 33 | ||||
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Route information | ||||
Defined by S&HC § 333 | ||||
Maintained by Caltrans | ||||
Length: | 289.699 mi[1] (466.225 km) This route is broken into pieces, and the length does not reflect the overlaps that would be required to make the route continuous. |
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Major junctions | ||||
South end: | SR 1 / US 101 in Ventura | |||
SR 119 in Taft SR 269 in Avenal SR 152 near Los Banos |
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North end: | I-5 near Tracy | |||
Highway system | ||||
State highways in California(list • pre-1964)
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State Route 33 (SR 33) is a north–south state highway in the U.S. state of California. SR 33 replaced part of U.S. Route 399 in 1964 during the "great renumbering" of routes. In the unincorporated sections of Kern County it is known as the West Side Highway. In addition, the California Legislature designated the entire Kern County portion as the Petroleum Highway in 2004. The southernmost portion is a freeway known as the Ojai Freeway.
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Several segments of this route are part of the California Freeway and Expressway System;[2] also, several are eligible to be included in the State Scenic Highway System.[3] However, only the portion from 6.4 miles north of the SR 150 junction to the Ventura - Santa Barbara county line is a scenic highway as designated by Caltrans.[4]
Beginning in Ventura as a short freeway (the "Ojai Freeway"), Route 33 continues north as an undivided surface road through Ojai, follows Matilija Canyon past the easternmost extremity of the Santa Ynez Mountains, and passes over the Transverse Ranges at Pine Mountain Summit, coming down into the Cuyama Valley to an eventual junction with SR 166. Route 33 continues with Route 166 for about 20 miles (32 km) to Maricopa where the routes separate. In Maricopa, Route 33 turns northwest, following the western side of the San Joaquin Valley. Between Taft and Avenal it roughly parallels Interstate 5; for the first 15 miles (24 km) of this portion it follows the axis of the Midway-Sunset Oil Field. Northwest of Avenal, it turns due west to enter Coalinga, then turns northeast and soon becomes concurrent with I-5 for 13 miles (21 km). Thereafter, it departs due north near Cantua Creek, turns northwest at Mendota, and meets State Route 152 in Dos Palos, with which it runs concurrently for approximately ten miles. It departs again to the northwest near Los Banos, turns north at Santa Nella (where it has an interchange with I-5), and roughly parallels I-5 and the San Joaquin River until its final terminus at I-5 at Yarmouth.
When passing through the Avenal/Coalinga area travelers pass near a series of prisons and government facilities. They include: Avenal State Prison, Pleasant Valley State Prison, and the new Coalinga Mental Hospital.
In the portions of the route in Kern and Fresno Counties, SR 33 passes through one of the United States' largest petroleum extraction fields, with hundreds of nodding oil pumps along the highway. Some of the fields visible from the highway include the Midway-Sunset, South and North Belridge, Cymric, McKittrick, Lost Hills, and Coalinga oil fields.
Most of SR 33's route is through sparsely populated, relatively desolate portions of the San Joaquin Valley. Travelers along it should use caution, since emergency services are typically dozens of miles away. Carrying extra water and coolant is especially advised, since summertime temperatures in the area routinely surpass 100 °F (37 °C).
Before the US 399 designation was deleted in 1964, SR 33 followed SR 166 east from US 99 at Wheeler Ridge to Maricopa in lieu of the segment from Ventura to Maricopa, and followed the old US highway from Taft to Maricopa. Today, SR 166 remains on the segment between Wheeler Ridge and Maricopa.
County | Location | Postmile [1][5][6] |
Destinations | Notes |
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Ventura VEN 0.00-57.51 |
Ventura | 0.00 | US 101 (Ventura Freeway, SR 1) – Los Angeles, San Francisco | Southbound exit and northbound entrance |
0.17 | Main Street – Ventura | Southbound exit and northbound entrance | ||
1.57 | Stanley Avenue | Southbound exit and entrance are on the left | ||
2.65 | Shell Road | |||
R4.49 | Cañada Larga Road | |||
R5.64 | Casitas Vista Road | |||
North end of freeway | ||||
Mira Monte | 11.21 R14.41[N 1] |
SR 150 west (Baldwin Road) – Lake Casitas, Carpinteria, Santa Barbara | South end of SR 150 overlap | |
Ojai | 16.58[N 1] 11.21 |
SR 150 east (Ojai Avenue) – Ojai, Santa Paula | North end of SR 150 overlap | |
48.50 | Lockwood Valley Road to I-5 – Lockwood Valley | |||
Santa Barbara SB 0.00-8.18 |
No junctions | |||
San Luis Obispo SLO 0.00-4.95 |
2.80 | SR 166 west – Cuyama, Santa Maria | South end of SR 166 overlap | |
Kern KER 0.00-73.74 |
Cerro Noroeste Road – Mount Abel Recreation Area | |||
Soda Lake Road – Soda Lake, California Valley | Serves Carrizo Plain National Monument | |||
Maricopa | R11.56 | SR 166 east (Poso Street) to I-5 south – Los Angeles | North end of SR 166 overlap | |
Taft | 17.89 | SR 119 (Taft Highway) | Former US 399 north | |
23.41 | Midway Road – Fellows | |||
McKittrick | 33.45 | SR 58 west – California Valley, Santa Margarita | South end of SR 58 overlap | |
34.29 | SR 58 east to I-5 – Buttonwillow, Bakersfield | North end of SR 58 overlap | ||
Lerdo Highway – Shafter | ||||
Brown Material Road | ||||
Blackwells Corner | 60.09 | SR 46 – Lost Hills, Wasco, Bakersfield, Paso Robles | Former US 466 | |
Kings KIN 0.00-18.99 |
7.80 | SR 41 – Kettleman City, Fresno, Paso Robles | ||
Avenal | 17.14 | SR 269 (Skyline Boulevard) to I-5 – Huron, Lemoore NAS | ||
Fresno FRE 0.00-R83.05 |
Jayne Avenue – Stratford | |||
Coalinga | 15.37 | Polk Street to SR 198 west – King City | ||
15.71 | SR 198 west (Elm Avenue) / Coalinga Plaza (Fifth Street) – King City | South end of SR 198 overlap | ||
24.32 | SR 198 east (Dorris Avenue) / Shell Road – Lemoore, Hanford | North end of SR 198 overlap | ||
R29.02 17.96[N 2] |
I-5 south (West Side Freeway) / SR 145 north (Fresno-Coalinga Road) – Los Angeles, Kerman | Interchange; south end of I-5 overlap | ||
South end of freeway on I-5 | ||||
North end of freeway on I-5 | ||||
29.96[N 2] R39.82 |
I-5 north (West Side Freeway) / Derrick Avenue – San Francisco, Sacramento | Interchange; north end of I-5 overlap | ||
Manning Avenue – San Joaquin | ||||
53.40 | Adams Avenue – Tranquillity | |||
59.43 | California Avenue, Panoche Road to SR 180 east – Fresno | |||
Mendota | 61.45 | CR J1 (Belmont Avenue) | ||
62.25 | SR 180 east (Oller Street) – Fresno | |||
Firebaugh | 13th Street – Madera | |||
70.19 | 12th Street to I-5 north | |||
Merced MER R0.00-30.30 |
Dos Palos | R1.17 | Blossom Street – South Dos Palos, Central District | |
R5.64 R32.37[N 3] |
SR 152 east / Elgin Avenue – Merced | Interchange; south end of SR 152 overlap | ||
Los Banos | 21.27[N 3] | SR 165 (Mercey Springs Road) to I-5 south – Turlock | ||
13.85[N 3] | I-5 (West Side Freeway) – San Francisco, Sacramento, Los Angeles | Interchange | ||
11.27[N 3] R13.24 |
SR 152 west / San Luis Drive (to Gonzaga Road) – Gilroy | Interchange; north end of SR 152 overlap | ||
Santa Nella | R16.26 | Henry Miller Avenue – Volta | ||
R16.64 | I-5 (West Side Freeway) – San Francisco, Sacramento, Los Angeles | Interchange | ||
Gustine | 26.46 4.35[N 4] |
SR 140 west (Sullivan Road) to I-5 | South end of SR 140 overlap | |
6.06[N 4] 27.11 |
SR 140 east / First Avenue – Merced | North end of SR 140 overlap | ||
Stanislaus STA 0.00-27.09 |
Newman | 0.68 | Merced Street – Livingston | |
2.06 | CR J18 (Stuhr Road) to I-5 – Livingston, Turlock | |||
Crows Landing | 6.84 | Crows Landing Road, Fink Road to I-5 | ||
Patterson | 12.57 | CR J17 west (Sperry Avenue) to I-5 | South end of CR J17 overlap | |
13.18 | CR J17 east (Las Palmas Avenue) – Turlock | North end of CR J17 overlap | ||
Westley | 19.55 | CR J16 (Grayson Road, Howard Road) to I-5 | ||
San Joaquin SJ 0.00-5.00 |
Vernalis | 0.82 | SR 132 / Vernalis Road – Modesto, San Francisco | Interchange |
4.83 | I-5 (West Side Freeway) – Stockton, Sacramento, Los Angeles | Interchange | ||
5.00 | Ahern Road – Tracy | Continuation beyond I-5; former SR 33 north | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus • Closed/Former • Incomplete access • Unopened |