At Diamond’s Management Group, Inc., safety is our #1 priority. We abide by all of the safety regulations and guidelines established by the American Traffic Safety Services Association (ATSSA), Virginia Department of Transportation (VDOT), and Maryland Department of Transportation (MDOT).

Our Quality Control Manager holds and maintains an ATSSA Traffic Control Instructor (TCS) and OSHA 500 certification. Our Traffic Control team all holds and maintains VDOT and MDOT certifications, which complies with ATSSA. In addition, we provide monthly and quarterly trainings on a variety of topics related to work zone traffic control. Our Customer’s safety is our upmost concern and we take great pride in providing a safe work zone for our staff, customers, and the general public.


Our Company provides Traffic Control services to the following locations:

  • Construction Sites
  • Public Utility Projects

Diamond’s Management Group, Inc. provides the following services throughout the Mid-Atlantic region:

  • TMA Operations, 45 mph and above: limited access highways

  • Single and multi-lane closures

  • Flagging Operations, Two lane roadways and neighborhoods

  • Pilot Truck services

  • Night-Time Operations



Diamond’s Management Group, Inc. manages a large fleet of Traffic Control equipment that is technologically-advanced, environmentally friendly, durable and reliable. Our Traffic Control equipment and trucks offer superior quality that provide the highest level of performance on projects. We provide all necessary equipment, such as the following:

  • Advance Warning signs and stands
  • Channeling Devices
  • Arrow Boards
  • Arrow Panel
  • Message Boards
  • Signals
  • Baricades
  • Delineators
  • TMA (Truck Mounted Attenuator)
  • Portable Tower Light (Diesel Powered)
  • Pedestrian Safety Wall
  • Cones