October 1999 Mariposa County Improvement Standards (PDF)
Mariposa County Road Improvement and Circulation Policy (PDF) 1988, Update adopted 2007
Mariposa County Road Policy 1991 - Exceptions (PDF)
Minimum Road Standards Chart 1991 - Residential Policy (PDF)
Minimum Road Standards Chart 1991- Commercial and Industrial Policy (PDF)
Suggested Implementation Guidelines for "Interim Measures" For Existing County Roads (PDF)
Mariposa Regional Transportation Plan- Updated July 2019
