A staff of engineers and technicians provide for the safe and efficient movement of goods and people throughout the City by performing traffic operations, transportation planning and design functions. Examples of these functions include responding to requests for traffic signs and markings, monitoring traffic signals and street lighting, analyzing impacts and reviewing plans for various development projects, and implementing safe bicycle, pedestrian and equestrian facilities as well as roadway and intersection improvement projects.

• 2011 Engineering and Traffic Surveys
• Speed Limit Map
• Traffic Calming Program
• Traffic Volumes (PDF)
  • 2009 Map
  • 2009 Files
  • 2007 Map
  • 2007 Files
  • 2005 Map
  • 2005 Files

On high pollution days, the Bay Area Air Quality Management District issues Spare the Air notices to the public, asking them to voluntarily refrain from polluting activities. Listen for these notices on the radio or TV, or check out this website.