I-495, I-395 and I-95 Express Lanes Operations Center

Status: Existing

Description: Transurban operates the I–95 Express Lanes in the Fredericksburg District.

Stakeholder: Transurban

Architecture Flow Diagrams
which include I-495, I-395 and I-95 Express Lanes Operations Center:

• I-495, I-395 and I-95 Express Lanes Operations Center I-495, I-395 and I-95 Express Lanes Field Equipment
• I-495, I-395 and I-95 Express Lanes Operations Center Local Public Safety Centers
• I-495, I-395 and I-95 Express Lanes Operations Center Stafford County Public Safety
• I-495, I-395 and I-95 Express Lanes Operations Center VDOT NOVA District MPSTOC - TOC/ATMS

Architecture Flows
to/from the I-495, I-395 and I-95 Express Lanes Operations Center:

I-495, I-395 and I-95 Express Lanes Operations Center I-495, I-395 and I-95 Express Lanes Field Equipment

• authorization response


• lane management control


• payment instructions


• reversible lane control


• roadway dynamic signage data


• traffic detector control


• video surveillance control

I-495, I-395 and I-95 Express Lanes Operations Center Local Public Safety Centers

• incident information


• road network conditions


• traffic images

I-495, I-395 and I-95 Express Lanes Operations Center Stafford County Public Safety

• road network conditions


• traffic image meta data


• traffic images

I-495, I-395 and I-95 Express Lanes Operations Center VDOT NOVA District MPSTOC - TOC/ATMS

• incident information


• restricted lanes information


• road network conditions


• traffic images

I-495, I-395 and I-95 Express Lanes Field EquipmentI-495, I-395 and I-95 Express Lanes Operations Center

• authorization request


• lane management information


• payment transactions


• reversible lane status


• roadway dynamic signage status


• traffic detector data


• traffic images

VDOT NOVA District MPSTOC - TOC/ATMSI-495, I-395 and I-95 Express Lanes Operations Center

• incident information


• restricted lanes information


• road network conditions


• traffic images

National ITS Architecture Subsystems
mapped to the I-495, I-395 and I-95 Express Lanes Operations Center:

• Payment Administration Center Subsystem
• Traffic Management Center Subsystem
• Transportation Information Center Subsystem

National ITS Architecture Services
associated with I-495, I-395 and I-95 Express Lanes Operations Center:

• TM01 - Infrastructure-Based Traffic Surveillance (I-395 and I-95 Express Lanes) -- (Graphic)
• TM01 - Infrastructure-Based Traffic Surveillance (I-395 and I-95 Express Lanes) -- (Graphic)
• TM06 - Traffic Information Dissemination (I-395 and I-95 Express Lanes) -- (Graphic)
• TM06 - Traffic Information Dissemination (I-395 and I-95 Express Lanes) -- (Graphic)