District 4 - Operations
The Division of Operations consists of 260 technical and administrative staff in seven offices responsible for planning, design, and analysis of highway safety and traffic operational improvements; traffic management activities and operations as well encroachment permits, on over 7600 lane-miles on over 770 centerlines of conventional highways and 690 miles of freeways and expressways, including over 400 miles of carpool lanes.
Office of Asset Management & Performance
This office helps manage the performance of traffic operations assets and strategies, develops and implements Transportation Systems Management and Operations (TSMO), manages the Transportation Management System (TMS) program as the SHOPP Program Code 315 Advisor, collects and reports traffic data, supports asset and data management, and operates ramp meters and park and ride lots.
Office of Corridor Management (N/E)
The Office of Corridor Management North/East (N/E) is responsible for the Operations and Safety Program activities and the delivery of safety/operations/traffic engineering/TMP components of the capital outlay, maintenance, and local funded projects including PIDs and encroachment permits in Napa, Solano, Alameda, and Contra Costa counties. Collaborates with local agencies on traffic operations and safety issues. Partners with Div of Transportation Planning on Complete Streets and Modality.
Office of Corridor Management (S/W)
The Office of Corridor Management South/West (S/W) is responsible for the Operations and Safety Program activities and the delivery of safety/operations/traffic engineering/TMP components of the capital outlay, maintenance, and local funded projects including PIDs and encroachment permits in Marin, Sonoma San Francisco, San Mateo, and Santa Clara counties. Partners with Div of Transportation Planning on Complete Streets and Modality.
Office of Electrical Systems & TMS
The Office of Electrical Systems & TMS develops, implements, and operates transportation management systems (TMS) elements, associated communication systems, transportation technologies, and transportation management center (TMC) infrastructure. The Office also operates traffic signals and assists with electrical inspection for encroachment permits. TMS elements traffic monitoring stations, ramp metering systems, Closed Circuit Televisions (CCTVs), Changeable Message Signs (CMSs) Highway Advisory Radio (HARs), and Extinguishable Message Signs (EMSs) and warning systems. Moving forward, the Office will be implementing infrastructure for Connected and Autonomous Vehicles (CAV).
Office of Encroachment Permits
The Office of Encroachment Permits processes permit applications and issues permits to applicants for highway improvements to construct approved facilities or to conduct specified activities. The Office’s primary objectives are to protect, maintain and enhance the quality of the State Highway System during and after permitted work, ensure the safety of both the highway users and the permit applicant, ensure that the proposed encroachment is compatible with primary uses of the State Highway System, protect the State’s investment in the highway facility and document temporary uses of highway right-of-way for special events, filming, etc.
For inquiries related to encroachment permits, please contact us at D4Permits@dot.ca.gov or (510)286-4401.
Office of Project Development Support
The Office is responsible for the delivery and review of the electrical design and traffic signing components of the capital outlay, maintenance, and local funded projects including PIDs and encroachment permits. It also assists in COS resource management, project circulation, and delivery tracking for the Division.
Office of Traffic Management
The Office of Traffic Management, in partnership with regional agencies and the California Highway Patrol(CHP), manages the day to day traffic operations of the SHS, specifically incident management, traffic monitoring, traveler information, lane closure management, truck access and restrictions, and transportation management plan (TMP) implementation. The Office operates the Bay Area’s 24/7 Transportation Management Center (TMC) located at District 4 HQ Building. The Office Chief serves as the District Traffic Manager (DTM), the single focal point for day to day traffic management.