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I-66 Express VDOT Field Equipment

Status:

Planned

Definition:

These devices for the Express Lanes inside of the beltway, are typically located along the roadside and are controlled by operators in the I-66 Express VDOT Operations Center which aids them in monitoring and managing traffic conditions. The field equipment that aids operators in performing their functions are: VMS, Ramp Meters, Variable Speed Control Signs, Vehicle Detection, CCTV, and Toll Tag Readers.

Stakeholder:

VDOT NOVA District

Architecture Flow Diagrams
which include I-66 Express VDOT Field Equipment:

• I-66 Express VDOT Field Equipment I-66 Express VDOT Operations Center

Architecture Flows
to/from the I-66 Express VDOT Field Equipment:

I-66 Express VDOT Field Equipment I-66 Express VDOT Operations Center

• barrier system status


• lane management information


• roadway dynamic signage status


• safeguard system status


• shoulder lane status


• traffic detector data


• traffic images


• traffic situation data


• vehicle signage application status

I-66 Express VDOT Operations CenterI-66 Express VDOT Field Equipment

• barrier system control


• data collection and monitoring control


• roadway dynamic signage data


• safeguard system control


• traffic detector control


• vehicle signage application info


• video surveillance control

National ITS Architecture Subsystems
mapped to the I-66 Express VDOT Field Equipment:

• Connected Vehicle Roadside Equipment Subsystem
• ITS Roadway Equipment Subsystem

National ITS Architecture Services
associated with I-66 Express VDOT Field Equipment:

• none

National ITS Architecture Functional Requirements
associated with I-66 Express VDOT Field Equipment:

none