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VDOT NRO VSL Signs

Status:

Existing

Definition:

Variable Speed Limit (VSL) signs will communicate speed limits to provide drivers a reasonable distance to reduce speed, but at a distance that drivers will not perceive that they have exited the VSL corridor.

Stakeholder:

VDOT NRO

Architecture Flow Diagrams
which include VDOT NRO VSL Signs:

• VDOT NRO VSL Signs VDOT NRO MPSTOC - TOC/ATMS

Architecture Flows
to/from the VDOT NRO VSL Signs:

VDOT NRO VSL Signs VDOT NRO MPSTOC - TOC/ATMS

• variable speed limit status

VDOT NRO MPSTOC - TOC/ATMSVDOT NRO VSL Signs

• variable speed limit control

National ITS Architecture Subsystems
mapped to the VDOT NRO VSL Signs:

• ITS Roadway Equipment Subsystem

National ITS Architecture Services
associated with VDOT NRO VSL Signs:

• TM20 - Variable Speed Limits (VDOT NRO VSL Project) -- (Graphic)

National ITS Architecture Functional Requirements
associated with VDOT NRO VSL Signs:

none