Dulles Toll Road

Status: Existing

Description: The Dulles Toll Road (DTR) is an 8 lane (4 lanes in each direction) limited access highway approximately 14 miles in length. The DTR extends from the Capital Beltway to the Dulles Greenway's (Private Toll Road) Mainline Plaza and provides easy access to the Dulles International Airport.

Stakeholder: Metropolitan Washington Airports Authority (MWAA)

Architecture Flow Diagrams
which include Dulles Toll Road:

• Dulles Toll Road MWAA Center
• Dulles Toll Road VDOT EZ-Pass Customer Service Center
• Dulles Toll Road VDOT NOVA District Construction Management
• Dulles Toll Road VDOT NOVA District Maintenance
• Dulles Toll Road VDOT NOVA MPSTOC - TOC/ATMS
• Dulles Toll Road VDOT VaTraffic
• Dulles Toll Road VSP Center - MPSTOC

Architecture Flows
to/from the Dulles Toll Road:

Dulles Toll Road MWAA Center

• incident information for public


• incident response status


• resource deployment status


• resource request


• road network conditions


• road network status assessment


• toll data


• toll probe data


• toll service change response


• traffic images

Dulles Toll Road VDOT EZ-Pass Customer Service Center

• payment transactions

Dulles Toll Road VDOT NOVA MPSTOC - TOC/ATMS

• emergency traffic coordination

Dulles Toll Road VDOT VaTraffic

• toll data


• toll probe data


• toll service change response

Dulles Toll Road VSP Center - MPSTOC

• incident information


• resource deployment status

MWAA CenterDulles Toll Road

• incident information


• incident response status


• resource deployment status


• resource request


• toll data request


• toll service change request


• transportation system status

VDOT EZ-Pass Customer Service CenterDulles Toll Road

• payment instructions

VDOT NOVA District Construction ManagementDulles Toll Road

• work zone information

VDOT NOVA District MaintenanceDulles Toll Road

• work zone information

VDOT NOVA MPSTOC - TOC/ATMSDulles Toll Road

• emergency traffic coordination


• request toll collection suspension


• road network conditions


• traffic images


• work zone information

VDOT VaTrafficDulles Toll Road

• request toll collection suspension

VSP Center - MPSTOCDulles Toll Road

• incident information


• incident response status

National ITS Architecture Subsystems
mapped to the Dulles Toll Road:

• ITS Roadway Payment Equipment Subsystem
• Payment Administration Center Subsystem
• Traffic Management Center Subsystem

National ITS Architecture Services
associated with Dulles Toll Road:

• TM04 - Connected Vehicle Traffic Signal System (NOVA) -- (Graphic)