The Historic Highway 99 Association of California breaks the state into four regions. Our Regional Coordinators are assigned to each region to help represent the Association and assist with projects. If you’d like to be one of our Regional Coordinators, please contact us.
- Region 1 – Northern California – Siskiyou, Shasta, Tehama, Glenn, Colusa, Butte, Yuba, Sutter
- Region 2 – Sacramento Valley – Yolo, Placer, Sacramento, San Joaquin
- Region 3 – San Joaquin Valley – Stanislaus, Merced, Madera, Fresno, Tulare, Kern
- Region 4 – Southern California – Los Angeles, San Bernardino, Riverside, Imperial