Local Field Equipment

Status: Existing

Description: These devices are typically located along the roadside and are controlled by operators in local signal centers which aids them in monitoring and managing conditions. Examples include traffic controllers for the traffic signal system, CCTV, and vehicle detection. These devices are owned by the local signal centers separate from devices in the VDOT Culpeper District that owned by VDOT.

Stakeholder: Local Public Works Agencies

Architecture Flow Diagrams
which include Local Field Equipment:

• Local Field Equipment Local Signal Centers

Architecture Flows
to/from the Local Field Equipment:

Local Field Equipment Local Signal Centers

• right-of-way request notification


• roadway dynamic signage status


• signal control status


• signal fault data


• traffic images

Local Signal CentersLocal Field Equipment

• roadway dynamic signage data


• signal control commands


• signal control device configuration


• signal control plans


• signal system configuration


• traffic detector control

National ITS Architecture Subsystems
mapped to the Local Field Equipment:

• Connected Vehicle Roadside Equipment Subsystem
• ITS Roadway Equipment Subsystem

National ITS Architecture Services
associated with Local Field Equipment:

• TM01 - Infrastructure-Based Traffic Surveillance - Local Signal Centers -- (Graphic)
• TM03 - Surface Street Control - Local Signal Centers -- (Graphic)