McConnell Public Safety and Transportation Operations Center

Fairfax, VA

Client: HOK

Completion Date: 2009

Polysonics provided Fairfax County Virginia with Design Consulting, Bid Documentation, and Construction Administration services for their new McConnell Public Safety Transportation Operations Center (MPSTOC).

MPSTOC is one of the most technologically advanced and highly capable facilities of its kind in the nation and is the first embassy grade building of this type on the East Coast. This 120,000 square foot complex houses the Communications Center of the Virginia State Police, Virginia’s Department of Transportation Smart Traffic and Monitoring Center, as well as Fairfax County’s Public Safety 9-1-1 Communication Center and Emergency Management Center. An additional 18,000 square foot annex attached to the MPSTOC houses the County’s Police Forensics operations.

MPSTOC has over 30 rooms of varying sizes and functions requiring state of the art audio, video, and related control systems. Many of these areas are mission critical to serving the county’s public safety as well as the Virginia Department of Transportation (VDOT) traffic management system for Northern Virginia. The Polysonics designed systems include six video walls (the largest is a 2 x 5 configuration with 80” cubes), numerous flat screen video displays, streaming video with provisions for up to three hundred traffic cameras from across the entire Northern Virginia area, video conferencing, video projection, foreground and background audio, localized sound reinforcement, press connectivity, in house cable TV system, sophisticated control systems and user interfaces, networked audio and video components over a separate A/V network with a 10Gb fiber optic backbone, as well as thirty fully integrated conference rooms.


  • IP Video Streaming for up to 300 Traffic Cameras
  • Emergency Operations Center Design
  • Numerous Conference Rooms
  • Multiple Large Format Video Walls
  • Acoustic Design for Entire Facility
  • State-of-the-Art Audio, Video and Control Systems for More Than 30 Rooms

Services Involved

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