| State Route 133 | ||||
|---|---|---|---|---|
| Route information | ||||
| Defined by S&HC § 433 | ||||
| Maintained by Caltrans and TCA | ||||
| Length: | 13.635 mi[1] (21.943 km) | |||
| History: | State highway in 1933; SR 133 in 1964 | |||
| Major junctions | ||||
| South end: | SR 1 in Laguna Beach | |||
| I-5 in Irvine | ||||
| North end: | SR 241 near Irvine | |||
| Highway system | ||||
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State highways in California(list • pre-1964)
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State Route 133 (SR 133) is a state highway in the U.S. state of California. It connects SR 1 in Laguna Beach through the San Joaquin Hills with several freeways in Irvine, ending at the SR 241 toll road in the latter city. The portion north of SR 73 in Laguna Beach is part of the California Freeway and Expressway System, and it is built as an expressway from SR 73 to Laguna Canyon Road (just south of I-405 in Irvine). SR 133 is a freeway (the Laguna Freeway) to I-5, and a tollway (part of the Eastern Toll Road) to SR 241 near the Santa Ana Mountains.
SR 133 was constructed as a county road by the 1910s; the portion from I-405 to I-5 was upgraded to a freeway four decades later. Plans to extend the freeway south were canceled by the state, and the southern part of the road remains an undivided highway. In 1998, the majority of the Eastern Transportation Corridor opened, and the connector between I-5 and SR 241 was designated as a toll extension of SR 133.
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State Route 133 begins at the Pacific Coast Highway (SR 1) as Broadway in Laguna Beach, a block from the Pacific Ocean. The name changes to Laguna Canyon Road as the highway leaves downtown Laguna Beach and enters Laguna Canyon, soon narrowing to one lane in each direction. After entering the canyon, which lies between Laguna Coast Wilderness Park (west side of SR 133) and Aliso and Wood Canyons Wilderness Park (east side of SR 133), the first major intersection is with El Toro Road (County Route S18). SR 133 widens to four lanes and becomes a highway after its interchange with the San Joaquin Hills Toll Road (SR 73).[2]
As it continues through the Laguna Coast Wilderness Park, SR 133 follows a four-lane alignment on the west side of the canyon, moved from the old two-lane road in the center of the canyon in late 2006. Laguna Canyon Road splits to the northwest where the canyon ends in Irvine. North of the park, the highway becomes the Laguna Freeway after crossing an at-grade intersection with Laguna Canyon Road, followed by an interchange at exit 8, San Diego Freeway (I-405). SR 133 then continues as a freeway and serves Barranca Parkway and the Santa Ana Freeway (I-5). After crossing I-5, SR 133 becomes part of the Eastern Toll Road along the northwest side of Marine Corps Air Station El Toro, crossing an interchange with Irvine Boulevard at exit 12 before ending at SR 241. Toll booths are located on the south-facing ramps just north of Irvine Boulevard.[2]
As part of its construction of concrete roads, started by a 1913 bond issue, Orange County paved the county road through Laguna Canyon, connecting State Highway Route 2 (the forerunner of U.S. Hwy. 101 and I-5) at Irvine with Laguna Beach, by 1917.[3][4] The road was added to the state highway system in 1933 as Route 185, an unsigned designation.[5][6] The entire route was added to the new California Freeway and Expressway System in 1959;[7] the planned upgrade had already been named the Laguna Freeway by the California Highway Commission on November 26, 1957.[8] The highway received a sign route number—State Route 133—in the 1964 renumbering.[9]
Opening of the first—and only—piece of the Laguna Freeway was celebrated in Laguna Beach on October 1, 1952, connecting the north end of Laguna Canyon with a planned extension of the Santa Ana Freeway at a trumpet interchange and bypassing the old route on Sand Canyon Avenue. There were initially no other interchanges along the route.[10][11][2] The state decided not to build the remainder of the freeway in late 1975,[12] and in 1996 the portion south of SR 73 was removed from the Freeway and Expressway System.[13] Widening of the part north of SR 73 to a four-lane expressway was completed in late 2006, moving the road out of the canyon bottom and allowing better access to areas in Laguna Coast Wilderness Park.[14]
A new State Route 231 was added to the state highway system in 1988, connecting I-5 northwest of Irvine with SR 91,[15] and in 1991 the south end was shifted southeast to the north end of SR 133, with the old route becoming SR 261.[16] To prevent the route from changing numbers as it crossed I-5, the southern portion was renumbered SR 133 in 1996, with the remainder becoming an extended SR 241.[13] The Eastern Transportation Corridor, which includes SR 133 north of I-5, was completed on October 15, 1998, opening a new shortcut from Orange County to the northeast.[17]
The entire route is in Orange County.
| Location | Postmile [1][18][19] |
Exit [20] |
Destinations | Notes | |
|---|---|---|---|---|---|
| Laguna Beach | 0.00 | SR 1 (Pacific Coast Highway) – San Clemente, Newport Beach | Former US 101 Alt. | ||
| 3.42 | CR S18 (El Toro Road) to SR 73 south – Aliso Viejo, Lake Forest, Laguna Hills, Laguna Woods | ||||
| SR 73 (San Joaquin Hills Toll Road) / El Toro Road (CR S18) – San Diego | Interchange; no access from SR 133 north to SR 73 south | ||||
| Irvine | Lake Forest Drive | ||||
| 7.71 | Laguna Canyon Road | ||||
| South end of freeway | |||||
| 8.38 | 8 | I-405 (San Diego Freeway) – Long Beach, San Diego | Signed as exits 8A (south) and 8B (north) southbound; no access from I-405 north to SR 133 north; former SR 7 | ||
| 8.93 | 9 | Barranca Parkway | |||
| 9.57 | 10 | I-5 (Santa Ana Freeway) – San Diego, Santa Ana | Signed as exits 10A (north) and 10B (south) southbound; no access from I-5 north to SR 133 south; former US 101 | ||
| South end of toll road | |||||
| 11.90 | 12 | Irvine Boulevard | |||
| 13.64 | 14 | SR 241 (Foothill Toll Road, Eastern Toll Road) – Riverside, Santa Margarita | Northbound exit and southbound entrance; signed as 14A (north) and 14B (south); Orange Grove Toll Plaza is located on the interchange with SR 241 northbound | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus • Closed/Former • Incomplete access • Unopened |
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