Surface Street Management for Virginia Salem District ITS Architecture

Service Packages

• TM06: Traffic Information Dissemination
• TM07: Regional Traffic Management
• TM13: Standard Railroad Grade Crossing
• TM01: Infrastructure-Based Traffic Surveillance - Salem District Local Signal Centers
• TM01: Infrastructure-Based Traffic Surveillance - VDOT Southwestern TOC
• TM03: Surface Street Control - Salem District Local Signal Centers

Stakeholders

• Roanoke Regional Airport (RRA)

Roles and Responsibilities

• Monitor traffic conditions using field equipment (i.e. loop detectors and CCTV cameras).
• Provide enroute travel information to drivers (via dynamic message signs and highway advisory radio).



• VDOT Salem District Operations

Roles and Responsibilities

• Allow control of field equipment by other traffic management centers.
• Collect current traffic conditions from sensors and surveillance equipment.
• Control ramp meters, interchange connector meters, lane control signals, mainline meters, and variable speed control systems remotely.
• Control traffic signal controllers remotely to implement traffic management strategies at signalized intersections based on traffic conditions, incidents, emergency vehicle preemptions, pedestrian crossings, etc.
• Disseminate traffic-related data to other centers, the media, and travelers via the driver information systems (DMS, HAR).
• Distribute current traffic conditions to other centers.
• Monitor traffic conditions using field equipment (i.e. loop detectors and CCTV cameras).
• Monitor traffic sensors and surveillance (CCTV) equipment.
• Operate and maintain field equipment that controls and sends data to other field equipment (such as environmental sensors that send data to a DMS or coordination between traffic controllers on adjacent intersections), without being controlled from a cente
• Provide enroute travel information to drivers (via dynamic message signs and highway advisory radio).
• Share traffic information with other traffic management centers.



• Local Public Works Agencies

Roles and Responsibilities

• Allow control of field equipment by other traffic management centers.
• Control traffic signal controllers remotely to implement traffic management strategies at signalized intersections based on traffic conditions, incidents, emergency vehicle preemptions, pedestrian crossings, etc.
• Operate and maintain traffic signal controllers for use at signalized intersections and pedestrian crossings.
• Share traffic information with other traffic management centers.