NEVADA COUNTY โ€“ Caltrans is reminding motorists of various lane closures in multiple locations along State Route 20 (SR 20) and State Route 49 (SR 49) as several projects continue in Nevada County.

Here is the breakdown for the week:

SR 49 Projects:

  • Corridor Improvement Project between McKnight Way and La Barr Meadows/Allison Ranch Road
    • Various one-way traffic control and ramp closures are scheduled from 8 p.m. Sunday, November 1 to 6 a.m. Monday, November 2 and from 9 p.m. to 6 a.m. Monday, November 2 through Thursday, November 5. Lane closures are scheduled to end for the week at 6 a.m. Friday, November 6.
    • Southbound and northbound traffic is scheduled to be shifted the following week onto the new temporary alignment between Cornette Way and McKnight Way.ย 
      • Work is scheduled to begin at 9 p.m. Sunday, November 8 with the traffic shift fully in place by 6 a.m. Monday, November 9.
      • Driveway access on the west side of SR 49 between Wellswood Way and Crestview Drive will be impacted and may temporarily detour using the old alignment as a frontage road until the driveway is conformed to the new alignment. Residents impacted will be notified as soon as the schedule and construction details are finalized.
Aerial view of highway construction with widened roadbed, erosion control matting, culvert pipes, and traffic cones alongside active traffic lanes through forested terrain
State Route 49 Corridor Improvement Project, where crews are preparing to shift traffic onto a portion of the temporary alignment that will be utilized during the 2027 construction season.

SR 20 Projects:

  • Pavement Rehabilitation Project between Stable Lane and Harmony Ridge Road, various one-way traffic controls are scheduled from 7 a.m. to 5 p.m. Monday, November 2 and Tuesday, November 3.
  • Yuba Pass Separation Overhead Bridge Projectย 
    • No lane or highway closures are scheduled next week; however, motorists should anticipate some minor delays as equipment moves in and out of the project area at the junction of SR 20 and Interstate 80 (I-80).
    • Next closure of eastbound SR 20 is scheduled from 8 p.m. Monday, November 9 to 5 p.m. Tuesday, November 10 for concrete deck pours.
    • The SR 20 on-ramp to westbound I-80 remains closed until further notice due to bridge construction activities.
Workers on a bridge deck under construction, with rebar and formwork, next to a completed highway span through a forested area
Yuba Pass Separation Overhead Bridge Project, where crews are preparing for concrete deck pours along the new westbound Interstate 80 bridge span that crosses over State Route 20.

The extended lane closures will help minimize the duration of the work and improve worker safety. The schedule is subject to change or may be delayed due to weather, availability of materials or other unexpected events.

๏ปฟCaltrans District 3 is responsible for maintaining and operating 4,385 lane miles in 11 Sacramento Valley and Northern Sierra counties. Caltrans reminds motorists to โ€œBe Work Zone Alertโ€ and slow in construction zones for the safety of travelers and crews performing these improvements.