One-Way Traffic Control Ahead on State Route 49 West of Loyalton


California State Route 49

District: District 3 - Marysville
Contact: Raquel Borrayo
Phone: (530) 701-5209




Sierra County – Caltrans is alerting State Route 49 (SR-49) motorists to expect reversing one-way traffic control this week west of Loyalton for emergency sinkhole and culvert repairs.

Crews will be replacing a failed culvert between Filippini Road and Heriot Lane this Thursday and FridayReversing one-way traffic control will be in effect each day between 7 a.m. and 6 p.m.

Following the installation of a new culvert and repair of the sinkhole, crews will then need to repave this segment of SR-49. Dates for the paving work have not been set. 

The schedule is subject to change due to weather, equipment or material availability, or other unexpected events.

Caltrans advises motorists to “Be Work Zone Alert.” The department will issue updates on Twitter @CaltransDist3 and on Facebook at CaltransDistrict3. For real-time traffic, click on Caltrans' Quickmap or download the QuickMap app from the App Store or Google Play.

Photo showing three culvert drains that extend from underneath SR-49 in Sierra County. A small puddle of water is seen in the foreground, while a cone is placed along the shoulder of the highway near the top of the photo to mark the location of a sinkhole. Photo showing a small sinkhole that has formed along the shoulder of SR-49 west of Loyalton in Sierra County. The sinkhole is not impacting the highway and has a cone placed next to it to mark the location.