Date: Friday, July 31, 2026
District: 05 - Santa Barbara, San Luis Obispo, Monterey, San Benito, and Santa Cruz Counties
Contact: Ashton Harris
Phone: (805) 549-3237
FULL OVERNIGHT CLOSURE OF SOUTHBOUND US 101 ON-RAMP
AT HIGHWAY 58 IN SANTA MARGARITA BEGINS AUGUST 3
SAN LUIS OBISPO COUNTY —Travelers will encounter full overnight closures of the southbound US 101 on-ramp at Highway 58 in Santa Margarita starting the week of August 3.
The closure will be in place all week overnight Monday through Thursday from 7 pm to 6 am as crews perform culvert repairs. The on-ramp will be open during the day, and the night closures are expected to be completed the morning of August 7.
Travelers wishing to head southbound will need to detour north on Highway 58 towards Atascadero, turn left onto Santa Barbara Road to enter US 101 southbound.
Message and directional signs will alert travelers in advance of the areas under traffic control. Please allow for extra time for your travels through the area.
Road information and updates can also be found on Caltrans Central Coast District 5 Social Media Platforms: X at @CaltransD5, Facebook at: Caltrans Central Coast (District 5) and Instagram at: Caltrans_D5.
Our crews deserve to get home safely too.
Drive slowly and carefully in work zones.
CHP Traffic Incident Information Page: https://cad.chp.ca.gov/
Traveler Information at: https://quickmap.dot.ca.gov/
