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The Division of Traffic Engineering and Operations is responsible for safety issues and traffic controls along County roadways.  Here is a list of services provided:

  • Traffic Signals
  • Pedestrian Signals
  • Streetlight Maintenance
  • Traffic Signs
  • Pavement Markings
  • Traffic Engineering Studies
  • Special Event Permits
  • New Guardrail Requests

Please contact the Traffic Engineering to report all traffic control concerns such as intersection safety, traffic calming, and mis-timed traffic signals by creating and online service request here, by emailing us at  or by mailing to:

Division of Traffic Engineering and Operations
100 Edison Park Dr 4th Floor
Gaithersburg, MD 20878

Telephone: 240-777-2190
Fax: 240-777-2080