State Route 4 Wagon Trail Realignment Project
Project Description
The project is located between the town of Copperopolis and the City of Angels Camp in Calaveras County. The Eastern Segment of the SR 4 Wagon Trail Realignment Project consists of constructing SR 4 on a new alignment between Stallion Way and approximately 1.6 miles west of the State Route 4 /49 Junction near Stockton Rd.
Project Benefits
Purpose and Need
Reduce travel delay and improve safety on SR 4 between Copperopolis and Angels Camp. Project benefits will be improved traffic mobility, improved traffic safety, reduced congestion, and related improvements to Level of Service.
Current Schedule
November 2025
Caltrans assumed Design phase responsibilities
April 2026
PCaltrans to assume Right of Way (R/W) phase responsibilities
July 2026
R/W appraisals begin
December 2026
R/W acquisition begins
June 2027
Design completion
2028
Construction
Funding Source
The project is funded through a combination of Regional Improvement Program (RIP), Trade Corridors Enhancement Program, and local funds.
Project Status
Survey has been completed. Design is currently finalizing the project alignment. Environmental will begin revalidation technical studies in March, and Right of Way is anticipated to start the appraisal process in June 2026.
Project Cost/Programmed (x$1,000):
| Programed Project Cost | Capital $ | Support $ |
|---|---|---|
| Project Approval & Environmental Document | N/A | N/A |
| Plans, Specifications, & Estimates | $0 | $4,500 |
| Right of Way | $7,500 | $1,042 |
| Construction | $2,958 | $8,324 |
| Projected Cost as of June, 2026: | Planned $ | Expended $ |
|---|---|---|
| Project Approval & Environmental Document | N/A | N/A |
| Plans, Specifications, & Estimates | $4,500 | $706 |
| Right of Way | $1,042 | $255 |
| Construction | TBD | TBD |
Public Information Office
Phone: (209) 948-7977
Email: District10PublicAffairs@dot.ca.gov
Address: P.O. Box 2048, Stockton, CA 95201-2048
Title VI Information
The California Department of Transportation (Caltrans) assures that no person shall, on the basis of race, color, or national origin, be excluded from participation in, be denied the benefits of, or be otherwise subjected to discrimination under any program or activity receiving Federal financial assistance, as required by Title VI of the Civil Rights Act of 1964, as amended, the Civil Rights Restoration Act of 1987, and Federal Executive Order 12898 (Federal Actions to Address Environmental Justice in Minority Populations and Low-Income Populations).
Caltrans will make every effort to ensure nondiscrimination in all of its programs and activities, whether they are federally funded or not, and that services and benefits are fairly distributed to all people, regardless of race, color, or national origin. In addition, Caltrans will facilitate meaningful participation in the transportation planning process in a nondiscriminatory manner.
- Title VI Brochure (English, PDF)
- Title VI Brochure (Spanish, PDF)
- Title VI of the Civil Rights Act of 1964 (Caltrans Information)
