California Highway Patrol 6100 Labath Ave, Rohnert Park, CA94928 California Highway Patrol occupies a stand-alone building on Labath Avenue. A large CHP…More sign clearly marks the building. This is one of the main communications centers for all of Sonoma County's CHP officers and staff. California Highway Patrol provides safety, service and security to the residents of California. Its five departmental goals are: to prevent loss of life, injury, and property damage; to maximize service to the public; to manage traffic and emergency situations; to protect public and state assets; and to improve departmental efficiency.