The California State Vehicle Code governs the placement of traffic control devices with the State of California.  The links below provide the most relevant information.

• Click here to see the table of contents for the Vehicle Code.
• Sections 440 and 445 provide traffic control defintions.
• Sections 21350-21376: Erection and Maintenance of Signs, Signals, and Markings.
• Sections 21400-21401: Official Traffic Control Devices.