Route 166 is from:

(a) Route 1 near Guadalupe to Route 101 in Santa Maria.

(b) Route 101 near Santa Maria to Route 33 in Cuyama Valley.

(c) Route 33 near Maricopa easterly to Route 99. [CS&HC Sec. 466]

Road Conditions

Route 166 from:

(a) Route 101 near Santa Maria to Route 33 in Cuyama Valley.

(b) Route 33 near Maricopa to Route 5. [CS&HC Sec. 253.7]

Route 166 from Route 101 near Santa Maria to Route 33 in Cuyama Valley. [CS&HC Sec. 263.7]

North of Route 166 on Route 1 in Guadalupe is The Dunes Visitor Center. The Dunes Visitor Center features activities suitable for the entire family, including their award winning Interactive Computer Kiosks. Visit their Screening Room and you can choose from a large selection of dunes related videos, learn about the many interesting critters that inhabit the dunes, or peruse their exhibits on Guadalupe History or the making of the Cecil B. DeMille silent film The Ten Commandments (1923). This non-profit organization is dedicated to preserving the Guadalupe-Nipomo Dunes Complex, which comprises 18 miles of the largest, most biodiverse, coastal dune-lagoon ecosystem on earth.

Route 1 to the southern junction of Route 101: California Legal (40-foot KPRA).

Northern junction of Route 101 to Route 99: Terminal Access.

Part (b) is called the "CHP Officers Irvine and Stovall Memorial Highway", in memoriam to Officers Britt T. Irvine and Rick B. Stovall, who met an untimely death as they were responding to an emergency call and plunged off the eastbound lane of Route 166, which had been washed out as a result of heavy rainfall, approximately 12 miles east of State Highway Route 101 along the Cuyama River.

The Big Highways Page