---

I-66 Express VDOT Operations Center

Status:

Existing

Definition:

The I-66 Express VDOT Operations Center are responsible for operating the Express Lanes inside of the beltway in Northern Virginia. This center is staffed and operated by private entities and will coordinate with the VDOT MPSTOC.

Stakeholder:

VDOT NOVA District

Architecture Flow Diagrams
which include I-66 Express VDOT Operations Center:

• I-66 Express VDOT Operations Center City of Alexandria Public Safety
• I-66 Express VDOT Operations Center Data Exchange Platform
• I-66 Express VDOT Operations Center Fairfax County Public Safety Communications Center - MPSTOC
• I-66 Express VDOT Operations Center I-495, I-395 and I-95 Express Lanes Incident Response/Safety Service Patrol
• I-66 Express VDOT Operations Center I-495, I-395 and I-95 Express Lanes Web Site
• I-66 Express VDOT Operations Center I-66 Express Mobility Partners Operations Center
• I-66 Express VDOT Operations Center I-66 Express VDOT Field Equipment
• I-66 Express VDOT Operations Center Prince William County Office of Public Safety Communications
• I-66 Express VDOT Operations Center RITIS
• I-66 Express VDOT Operations Center Stafford County Public Safety
• I-66 Express VDOT Operations Center VDOT ESS Weather Platform
• I-66 Express VDOT Operations Center VDOT EZ-Pass Customer Service Center
• I-66 Express VDOT Operations Center VDOT NOVA District Construction Management
• I-66 Express VDOT Operations Center VDOT NOVA District Maintenance
• I-66 Express VDOT Operations Center VDOT NRO MPSTOC - Signal Center
• I-66 Express VDOT Operations Center VDOT NRO MPSTOC - Signal Center Field Equipment
• I-66 Express VDOT Operations Center VDOT NRO MPSTOC - TOC/ATMS
• I-66 Express VDOT Operations Center VDOT NRO Operations Maintenance
• I-66 Express VDOT Operations Center VDOT VaTraffic
• I-66 Express VDOT Operations Center VSP Center - MPSTOC

Architecture Flows
to/from the I-66 Express VDOT Operations Center:

I-66 Express VDOT Operations Center City of Alexandria Public Safety

• incident information


• incident report


• incident response coordination


• resource coordination


• resource deployment status


• road network conditions

I-66 Express VDOT Operations Center Data Exchange Platform

• incident information for public


• toll data

I-66 Express VDOT Operations Center Fairfax County Public Safety Communications Center - MPSTOC

• incident information


• incident report


• incident response coordination


• resource coordination


• resource deployment status


• road network conditions

I-66 Express VDOT Operations Center I-495, I-395 and I-95 Express Lanes Incident Response/Safety Service Patrol

• incident response coordination


• resource deployment status

I-66 Express VDOT Operations Center I-495, I-395 and I-95 Express Lanes Web Site

• alert notification


• archive status


• evacuation information


• incident information for public


• road network conditions


• toll data


• toll probe data


• transportation system status


• transportation weather information

I-66 Express VDOT Operations Center I-66 Express Mobility Partners Operations Center

• incident information


• traffic control information


• traffic images

I-66 Express VDOT Operations Center I-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

I-66 Express VDOT Operations Center Prince William County Office of Public Safety Communications

• incident information


• incident report


• incident response coordination


• resource coordination


• resource deployment status


• road network conditions

I-66 Express VDOT Operations Center Stafford County Public Safety

• incident information


• incident report


• incident response coordination


• resource coordination


• resource deployment status


• road network conditions

I-66 Express VDOT Operations Center VDOT EZ-Pass Customer Service Center

• payment transactions


• toll coordination

I-66 Express VDOT Operations Center VDOT NOVA District Construction Management

• closure data


• road network status assessment


• work plan feedback

I-66 Express VDOT Operations Center VDOT NOVA District Maintenance

• closure data


• road network status assessment


• work plan feedback

I-66 Express VDOT Operations Center VDOT NRO MPSTOC - TOC/ATMS

• emergency archive data


• emergency plan coordination


• emergency traffic control information


• emergency traffic control request


• evacuation coordination


• evacuation information


• incident information for public


• incident report


• incident response coordination


• link travel time


• resource coordination


• road network conditions


• road network traffic situation data


• threat information


• threat information coordination


• toll probe data


• traffic images


• transportation system status


• traveler archive data

I-66 Express VDOT Operations Center VDOT NRO Operations Maintenance

• work plan feedback

I-66 Express VDOT Operations Center VSP Center - MPSTOC

• emergency traffic control information


• incident information


• incident report


• incident response coordination


• resource coordination


• resource deployment status


• road network conditions

City of Alexandria Public SafetyI-66 Express VDOT Operations Center

• emergency plan coordination


• incident information for public


• incident response coordination


• resource coordination


• resource request

Fairfax County Public Safety Communications Center - MPSTOCI-66 Express VDOT Operations Center

• emergency plan coordination


• incident information for public


• incident response coordination


• resource coordination


• resource request

I-495, I-395 and I-95 Express Lanes Incident Response/Safety Service PatrolI-66 Express VDOT Operations Center

• incident information for public


• incident report


• incident response coordination


• resource request

I-495, I-395 and I-95 Express Lanes Web SiteI-66 Express VDOT Operations Center

• alert status


• fare and price information


• road network traffic situation data


• toll data request


• traveler archive data

I-66 Express Mobility Partners Operations CenterI-66 Express VDOT Operations Center

• incident information


• road network conditions


• traffic control information


• traffic images

I-66 Express VDOT Field EquipmentI-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

Prince William County Office of Public Safety CommunicationsI-66 Express VDOT Operations Center

• emergency plan coordination


• incident information for public


• incident response coordination


• resource coordination


• resource request

RITISI-66 Express VDOT Operations Center

• alert notification coordination


• emergency traffic control information


• incident response coordination


• link travel time


• road network conditions


• traveler archive data

Stafford County Public SafetyI-66 Express VDOT Operations Center

• emergency plan coordination


• incident information for public


• incident response coordination


• resource coordination


• resource request

VDOT ESS Weather PlatformI-66 Express VDOT Operations Center

• environmental conditions data

VDOT EZ-Pass Customer Service CenterI-66 Express VDOT Operations Center

• toll coordination

VDOT NOVA District Construction ManagementI-66 Express VDOT Operations Center

• current infrastructure restrictions


• maint and constr work plans


• work zone information

VDOT NOVA District MaintenanceI-66 Express VDOT Operations Center

• current infrastructure restrictions


• maint and constr work plans


• work zone information

VDOT NRO MPSTOC - Signal CenterI-66 Express VDOT Operations Center

• alert notification

VDOT NRO MPSTOC - Signal Center Field EquipmentI-66 Express VDOT Operations Center

• barrier system status

VDOT NRO MPSTOC - TOC/ATMSI-66 Express VDOT Operations Center

• alert notification


• alert notification coordination


• device control request


• device data


• device status


• emergency plan coordination


• emergency traffic control information


• emergency traffic control request


• emergency traffic coordination


• evacuation coordination


• evacuation information


• incident information for public


• incident report


• incident response coordination


• link travel time


• qualified environmental conditions data


• resource coordination


• road network conditions


• threat information coordination


• toll data request


• traffic images


• transportation system status


• traveler archive data

VDOT NRO Operations MaintenanceI-66 Express VDOT Operations Center

• maint and constr work plans


• work zone information

VDOT VaTrafficI-66 Express VDOT Operations Center

• current infrastructure restrictions


• emergency traffic control information


• incident information for public


• incident report


• incident response coordination


• link travel time


• maint and constr work plans


• resource coordination


• road network conditions


• road weather information


• transportation system status


• work zone information

VSP Center - MPSTOCI-66 Express VDOT Operations Center

• emergency traffic control request


• incident information for public


• incident response coordination


• resource coordination


• resource request

National ITS Architecture Subsystems
mapped to the I-66 Express VDOT Operations Center:

• Archived Data System Subsystem
• Emergency Management Center Subsystem
• ITS Roadway Payment Equipment Subsystem
• Payment Administration Center Subsystem
• Surface Transportation Weather Service Terminator
• Traffic Management Center Subsystem
• Transportation Information Center Subsystem
• Weather Service System Terminator

National ITS Architecture Services
associated with I-66 Express VDOT Operations Center:

• MC06 - Work Zone Management - VDOT NOVA District -- (Graphic)
• PS09 - Region-wide Transportation Infrastructure Protection -- (Graphic)

National ITS Architecture Functional Requirements
associated with I-66 Express VDOT Operations Center:

TMC Basic Surveillance

1. The center shall monitor, analyze, and store traffic sensor data (speed, volume, occupancy) collected from field elements under remote control of the center.

PAC Payment Administration

1. The center shall manage toll transactions, including maintaining a log of all transactions and toll pricing structure information.
2. The center shall dynamically price tolls based on current traffic condition information.
3. The center shall manage the details of toll payment violations based on vehicle information from the toll plaza, registration information from the Department of Motor Vehicles, invalid payment information from a Financial Institution, and previous violation information stored locally, and report such violations to appropriate law enforcement agencies.
4. The center shall calculate traffic flow based on timestamped toll transactions for vehicle travel between successive toll plazas and send to other agencies.
5. The center shall exchange data with other toll agencies to coordinate toll transactions and pricing.