ITS Element: Local Traffic Control Centers

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Description: Central control and operation of Maryland or Virginia city and county ITS field equipment, including traffic signals, CCTV cameras and dynamic message signs. Includes systems for Montgomery and Prince Georges Counties.
Status: Existing
Stakeholder: Local Counties and Municipalities
Mapping: Traffic Management
Other Traffic Management

Interfaces:

 CAPWIN System
DDOT TMC
HSEMA Center
MATOC
Regional Emergency Coordination System
Market Packages: ATMS06 - Traffic Information Dissemination - DDOT (3 of 3)
ATMS07 - Regional Traffic Management - MATOC Regional Information Exchange Network
ATMS07 - Regional Traffic Management - DDOT TMC
EM01 - Emergency Call-Taking and Dispatch - Regional Emergency Coordination System
EM06 - Wide-Area Alert - HSEMA to DDOT Traffic, Maintenance, and Transit
EM07 - Early Warning System - MATOC / DDOT Traffic, Maintenance, and Transit
MC10 - Maintenance and Construction Activity Coordination - DDOT TMC
Functional Requirements:

TMC Regional Traffic Management

  • The center shall exchange traffic information with other traffic management centers including incident information, congestion data, traffic data, signal timing plans, and real-time signal control information.
  • The center shall exchange traffic control information with other traffic management centers to support remote monitoring and control of traffic management devices (e.g. signs, sensors, signals, cameras, etc.).

TMC Signal Control

  • The center shall remotely control traffic signal controllers.
  • The center shall accept notifications of right-of-way requests from pedestrians.
  • The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
  • The center shall collect traffic signal controller fault data from the field.
  • The center shall implement control plans to coordinate signalized intersections, under control of center personnel, based on data from sensors and surveillance monitoring traffic conditions, incidents, emergency vehicle preemptions, the passage of commercial vehicles with unusual loads, equipment faults, pedestrian crossings, etc.

Last updated: 06-10-11