Sierra roadwork schedule through January 2 |

Sierra roadwork schedule through January 2

Most traffic-interfering work will be restricted from 6 a.m. Thursday, Dec. 31 until 10 p.m. Monday, January 4 due to the New Year’s holiday.


State Route 49 (Placer County) from the I-80/SR 49 interchange to Dry Creek Road: Construction began June 17, 2019 on a $42.4 million project in Auburn. The project will rehabilitate existing pavement and drainage, improve operational features and upgrade pedestrian and bicycle facilities.

December 27 – December 31

State Route 49 (Placer County) from the Interstate 80 junction to Dry Creek Road: Motorists may expect intermittent lane and shoulder closures from 6 p.m. to 6 a.m. Sunday through Thursday morning for miscellaneous work.

State Route 49 (Nevada County) from Woodridge Drive to Linton Lane: Construction began July 27 on a $3.8 million safety improvement project on State Route 49 near Wolf Road and Combie Road. Caltrans is constructing a northbound and southbound acceleration lane and adding other safety and operational improvement elements. Work will primarily be performed along shoulders behind concrete barriers, with minimal impacts to traffic. Major work on the project is complete with final electrical work anticipated in December or January.

State Route 49 (Nevada County) from Auburn Road to Alta Sierra Drive: Vegetation work is beginning for a $4.3 million safety improvement project on State Route 49 near Round Valley Road and Quail Creek Drive. Caltrans is constructing a two-way left turn lane with an increased 8-foot-wide southbound shoulder. Major construction work is expected in spring 2021. This project is currently in winter suspension.

Interstate 80 (Placer/Nevada Counties) between Alta and Floriston: A $6.6 million structure maintenance project will replace polyester concrete overlays and joint seals on 11 bridges. The project will extend the life of the bridge decks by sealing them off to moisture and fix rutting in the concrete overlays caused by heavy freight and vehicle travel. No traffic-interfering work is scheduled this week.

Interstate 80 (Nevada County) from Farad to the Acid Flat Bridge: An $12.9 million Farad Ditch Slope Stabilization project will restore the Farad Ditch by extending the collection area. Construction will also include regrading of the slope by means of roadway excavation, rock excavation, and controlled blasting. No traffic-interfering work is scheduled this week.

State Route 174 (Nevada County) from Maple Way to You Bet Road: A $27.1 million safety improvement project will realign several curves, widen shoulders, add a southbound left turn pocket at Greenhorn Access Road and improve the clear recovery zone, allowing errant vehicles to regain control. This project is currently in winter suspension.


State Route 49 (Nevada County) from Alta Sierra Drive to Timberland Drive: Northbound motorists may expect lane and shoulder closures from 6 a.m. to 6 p.m. Tuesday for dead tree removal.

Interstate 80 (Sacramento/Placer Counties) from Madison Avenue to Cirby Way: Motorists may expect intermittent right shoulder closures from 7 a.m. to 3:30 p.m. Monday through Wednesday for electrical work.

Unexpected schedule changes may occur. For current information on roadwork, delays, road conditions and emergency closures, call the voice-activated Caltrans Highway Information Network (CHIN) at 800-427-7623 (ROAD) or visit Caltrans “QuickMap” website at:

Source: Caltrans

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