SR4 - Wagon Trail Realignment Project Is Complete!
November 2025 Update
The Wagon Trail Realignment Project is now complete. Thank you for your patience and cooperation during construction of this important project!
Project Highlights
Improvements completed as part of this project included:
Widening, grading and paving Highway 4 between Appaloosa and Bonanza Mine Road
Realignment of SR-4 to remove dangerous curves
Installation of new culverts, retaining walls, and other drainage and grading features
Improvement of overall road safety for the traveling public
In coordination with Caltrans and Calaveras Council of Governments (CCOG), the County of Calaveras Department of Public Works (County) served as the lead agency on this project.
Construction Map. Click to enlarge image.
Questions?
Contact Calaveras County Department of Public Works at (209) 754-6401.
Funding
At the beginning of Phase I construction, the design engineer’s project cost estimate was $27 million. After necessary archeological preservation work, the project is now expected to cost $53 million. Project funding sources include Local, State, and Federal sources, including: State Highway Operation and Protection Program (SHOPP) funds, State Transportation Improvement Program (STIP) Regional Improvement Program, SB1 Local Partnership Program (LPP) funds and County Road Impact Mitigation (RIM) funds. The County and Calaveras Council of Government are currently working to secure funding for Phase 2 of the Project, which extends from Cherokee Creek Bridge to Stockton Road near Angels Camp. Exhibits and documents prepared for the project to date can be viewed at: http://calacog.org/project/wagon-trail-project/
Project Photos
