Traffic & Transportation Commission

Regular Meeting

  • 6:30 p.m.
  • 2nd Thursday of every month
  • City Hall Windmill Road
    21810 Copley Dr
    Diamond Bar, CA 91765
  • Meeting Calendar

Agendas & Minutes

Agendas are available the Friday prior to the meeting and minutes are available following approval.

View recent commission meeting agenda documents.

Sign up to receive email notices when meeting agendas are available online.


  • Dr. Cynthia Quan, Chair
  • Mahendra Garg, Vice-Chair
  • Michael Gonzalez

  • Surendra Mehta
  • Lisa Washington

Duties & Responsibilities

The purpose of the Traffic and Transportation Commission is to act in an advisory capacity to the City Council in the review and development of systems, facilities, plans, policies and programs concerning private and public transportation within the City and affecting the City. The Commission also makes recommendations to the City Council, City Traffic Engineer, and other City officials regarding the ways and means for improving traffic conditions, as well as the administration and enforcement of traffic regulations.

Terms of Office / Compensation

The five-members of the Traffic and Transportation Commission are appointed by the City Council to serve a two-year term commencing on March 1 of even-numbered years and expiring on the last day of February of even-numbered years.

Compensation for commissioners is established by Resolution of the City Council and duties and responsibilities included in the Diamond Bar Municipal Code Sec. 2.32. Each member of the Traffic and Transportation Commission is compensated $45 per attended meeting.