VDOT NRO MPSTOC - TOC Other Field Equipment - Inventory Element

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 which aids them in monitoring traffic conditions and managing the transportation network.

Stakeholder: VDOT NRO

Systems Interconnected with VDOT NRO MPSTOC - TOC Other Field Equipment

• VDOT NRO MPSTOC - TOC

Interconnect Diagram

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

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

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

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

• barrier system status
• environmental sensor data
• hov data
• hri status
• intersection blockage notification
• request for right-of-way
• reversible lane status
• shoulder lane status
• signal control status
• speed monitoring information
• traffic probe data
• work zone warning status

VDOT NRO MPSTOC - TOCVDOT NRO MPSTOC - TOC Other Field Equipment

• barrier system control
• environmental sensors control
• hri control data
• hri request
• reversible lane control
• shoulder lane control
• speed monitoring control
• work zone warning device control

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

• Roadway Subsystem

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

• ATMS04 - Freeway Control - VDOT NRO MPSTOC -- (Graphic)
• ATMS19 - Speed Monitoring - VDOT NOVA District -- (Graphic)
• MC08 - Work Zone Management - VDOT NOVA District -- (Graphic)

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

Roadway HOV Control

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

Roadway Speed Monitoring

1. The field element shall include sensors to detect vehicle speeds, under traffic or maintenance center control.
2. 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.
3. The field element shall return operational status for the vehicle speed sensors to the enforcement agency.
4. The field element shall return fault data for the vehicle speed sensors to the controlling center for repair.

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.