VDOT Richmond District Traffic Signal Center

Status: Existing

Description: Within the District there are both closed loop signal systems and independent signals, however, central traffic control is able to communicate and monitor all traffic signals within the District. The Richmond District Signal System is responsible for controlling signals in the 14 counties in the Richmond District. The signals in the 14 counties will be shared control between the District Traffic Engineering and the TOC. The TOC primarily taking control in emergency situations.

Stakeholder: VDOT Richmond District Office

Architecture Flow Diagrams
which include VDOT Richmond District Traffic Signal Center:

• VDOT Richmond District Traffic Signal Center City of Richmond Traffic Operations Center Field Equipment
• VDOT Richmond District Traffic Signal Center VDOT Richmond District Maintenance and Construction Residencies
• VDOT Richmond District Traffic Signal Center VDOT Richmond District Traffic Signal Center Field Equipment

Architecture Flows
to/from the VDOT Richmond District Traffic Signal Center:

VDOT Richmond District Traffic Signal Center City of Richmond Traffic Operations Center Field Equipment

• traffic detector control


• video surveillance control

VDOT Richmond District Traffic Signal Center VDOT Richmond District Traffic Signal Center Field Equipment

• roadway dynamic signage data


• signal control commands


• signal control device configuration


• signal control plans


• signal system configuration


• traffic detector control


• video surveillance control

VDOT Richmond District Maintenance and Construction ResidenciesVDOT Richmond District Traffic Signal Center

• work zone information

VDOT Richmond District Traffic Signal Center Field EquipmentVDOT Richmond District Traffic Signal Center

• roadway dynamic signage status


• signal control status


• signal fault data


• traffic detector data


• traffic images

National ITS Architecture Subsystems
mapped to the VDOT Richmond District Traffic Signal Center:

• Archived Data User System Terminator
• Traffic Management Center Subsystem

National ITS Architecture Services
associated with VDOT Richmond District Traffic Signal Center:

• MC06 - Work Zone Management - Richmond District -- (Graphic)
• TM01 - Infrastructure-Based Traffic Surveillance - VDOT Richmond District Signal Center -- (Graphic)
• TM03 - Traffic Signal Control - VDOT Richmond District Signal Center -- (Graphic)