California State Route 166
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| State Route 166 |
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| (CS&HC Section 466) | |||||||||||||
| Length: | 96 mi[1] (154 km) | ||||||||||||
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| Major junctions: |
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CA-1  |
SB 0.00 | ||||||||||||
CA-135  |
SB 7.87 | ||||||||||||
US-101  |
SB 8.94 | ||||||||||||
| SLO R8.95 | |||||||||||||
SR-33  |
SLO 74.69 | ||||||||||||
| KER R11.53 | |||||||||||||
I-5  |
KER 22.77 | ||||||||||||
CA-99  |
KER 24.56 | ||||||||||||
| Major cities: | Guadalupe Santa Maria Maricopa Mettler |
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California State Route 166 connects the Central Coast of California to the southern San Joaquin Valley. It starts off in Guadalupe in northwestern Santa Barbara County and heads east passing through the town of New Cuyama and continuing towards the largest city on its eastern journey: Santa Maria. It then joins with U.S. Route 101 for the last few miles in Santa Barbara County before crossing the Cuyama River and splitting off in San Luis Obispo County. For the next 75 miles, CA-166 crosses the Santa Barbara/San Luis Obispo county line a total of five times before meeting CA-33 north of Ventucopa. CA-33 and CA-166 merge until reaching Maricopa, where CA-166 heads due east for its last 20 miles, intersecting with I-5 9 miles north of the Grapevine. CA-166 ends at CA-99 in Mettler, and it is the last exit for both I-5 and CA-99 southbound before they merge near Wheeler Ridge.
Before 1964, the portion of CA-166 merged with CA-33 was part of US 399.
In Kern County Highway 166 is known as the Maricopa Highway. West of Maricopa it skirts Santa Barbara and San Luis Obispo counties and is called the Cuyama Highway.
[edit] State law
Legal Definition of Route 166: California Streets and Highways Code, Chapter 2, Article 3, Section 466
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Route 166 is part of the Freeway and Expressway System, as stated by section 253.7 of the California State Highway Code. |
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Route 166 is part of the Scenic Highway System, as stated by section 263.7 of the California State Highway Code. |
