SLO 101-166 Traffic Signals


SCH Number
Public Agency
California Department of Transportation, District 5 (DOT)
Document Title
SLO 101-166 Traffic Signals
Document Type
NOE - Notice of Exemption
Document Description
The project would install traffic signals on both the west and east sides of the Route 101/Route 166 interchange on ramps and local roads in San Luis Obispo County. Signals, signal foundations, pull boxes and controller cabinets would be installed within ten feet of existing pavement on mostly disturbed areas. New electrical conduit to the signal controller cabinets would be installed via trenching method, also on mostly disturbed/existing paved areas.

Contact Information

Jill W. O'Connor
Agency Name
Contact Types
Lead/Public Agency


Santa Maria
San Luis Obispo, Santa Barbara
Countywide, Southern California
Cross Streets
Route 166, Cuyama Lane
State Highways
Route 166, U.S. Route 101

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, Section 15301 (c)
Reasons for Exemption
The purpose of the project is to reduce traffic queuing to improve operations during peak periods at the interchange of Route 101 and Route 166. The project would not expand the existing or former use of the highway facilities. The project would not cause any significant impacts, individual or cumulative, on the environment.
County Clerk
San Luis Obispo


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