---

VDOT NRO MPSTOC - TOC Other Field Equipment

Status:

Existing

Definition:

This element includes ESS, lane control and all other devices except DMS, Detection and CCTV. These devices are typically located along the roadside and are controlled by operators in the VDOT NRO MPSTOC - TOC/ATMS which aids them in monitoring traffic conditions and managing the transportation network.

Stakeholder:

VDOT NRO

Architecture Flow Diagrams
which include VDOT NRO MPSTOC - TOC Other Field Equipment:

• VDOT NRO MPSTOC - TOC Other Field Equipment VDOT NRO MPSTOC - TOC/ATMS

Architecture Flows
to/from the VDOT NRO MPSTOC - TOC Other Field Equipment:

VDOT NRO MPSTOC - TOC Other Field Equipment VDOT NRO MPSTOC - TOC/ATMS

• barrier system status


• environmental sensor data


• lane management information


• rail crossing blockage notification


• rail crossing status


• reversible lane status


• right-of-way request notification


• shoulder lane status


• signal control status


• signal fault data


• speed monitoring information


• traffic situation data


• work zone warning status

VDOT NRO MPSTOC - TOC/ATMSVDOT NRO MPSTOC - TOC Other Field Equipment

• barrier system control


• environmental sensors control


• rail crossing control data


• rail crossing request


• reversible lane control


• shoulder lane control


• speed monitoring control


• work zone warning device control

National ITS Architecture Subsystems
mapped to the VDOT NRO MPSTOC - TOC Other Field Equipment:

• Connected Vehicle Roadside Equipment Subsystem
• ITS Roadway Equipment Subsystem

National ITS Architecture Services
associated with VDOT NRO MPSTOC - TOC Other Field Equipment:

• MC06 - Work Zone Management - VDOT NOVA District -- (Graphic)
• TM04 - Connected Vehicle Traffic Signal System (NRO) -- (Graphic)
• TM05 - Freeway Control - VDOT NRO MPSTOC - TOC/ATMS -- (Graphic)
• TM17 - Speed Monitoring - VDOT NOVA District -- (Graphic)

National ITS Architecture Functional Requirements
associated with VDOT NRO MPSTOC - TOC Other Field Equipment:

Roadway Data Collection

1. The field element shall collect traffic, road, and environmental conditions information.
2. The field element shall include the sensors and supporting roadside devices that sense, collect, and send traffic, road, and environmental conditions information to a center for archival.
3. The field element shall collect sensor status and sensor faults from roadside equipment and send it along with the recorded data to a center for archival.

Roadway HOV Control

1. The field element shall include sensors to detect high-occupancy vehicle (HOV) lane usage, under center control.

Roadway Speed Monitoring and Warning

1. The field element shall return operational status for the vehicle speed sensors to the controlling traffic or maintenance center; including measured speeds, warning messages displayed, and violation records.
2. The field element shall return operational status for the vehicle speed sensors to the enforcement agency.
3. The field element shall include sensors to detect vehicle speeds, under traffic or maintenance center control.
4. The field element shall return fault data for the vehicle speed sensors to the controlling center for repair.