You are here

Donner Pass Road Improvements

Construction Update

To receive regular updates as they become available, please subscribe to the Alert Center for this project at

Project Description

This project will rehabilitate pavement and widen shoulders for bike lanes on 6.54 miles of Donner Pass Road from I-80 Exit 174 in Soda Springs, CA to the Truckee City limits. Selected pullouts will also be paved. Segments N1, N2, N4 and N5 lie in Nevada County, and Segment P3 is in Placer County (see map). The project will not include any work on the Rainbow Bridge.

Project Map

Map of Project Area

Anticipated Timeline

Advertise: Fall 2019
Construction: Summer 2020 - Summer 2022 (through July 2022)

The construction schedule is currently as follows, but subject to change:
2020 Construction Season:
  • Utility Locates
  • Tree removal
  • Rock cut excavation/blasting
  • Drainage and culvert work
  • Retaining Walls
  • Roadway/shoulder/ditch excavation
  • Topsoil/mulching
2021 Construction Season (west of Rainbow Bridge):
  • Pavement Recycling and new pavement placement
  • Install new curb
  • New signage and striping
  • Placing seeding and mulch

2022 Construction Season through July 2022 (east of Rainbow Bridge): 

  • Pavement recycling and new pavement placing
  • Install new curb
  • Install new guardrail
  • New signage and striping
  • Placing seeding and mulch

Project Photos