---

DDOT CapTOP

Status:

Existing

Definition:

This element represents the District of Columbia Department of Transportation that is responsible for controlling the Signal System in the District along with controlling VMS on the DC section of I-395. DDOT operates the DC CapTOP automated system that provides effective management of roadway traffic on both freeways and surface street s throughout the DC region for both recurring and non-recurring conditions.

Stakeholder:

DDOT

Architecture Flow Diagrams
which include DDOT CapTOP:

• DDOT CapTOP RITIS
• DDOT CapTOP VDOT NRO MPSTOC - Signal Center
• DDOT CapTOP VDOT NRO MPSTOC - TOC
• DDOT CapTOP VDOT NRO TFO
• DDOT CapTOP VDOT Video Clearinghouses

Architecture Flows
to/from the DDOT CapTOP:

DDOT CapTOP RITIS

• incident information


• road network conditions


• traffic information coordination

DDOT CapTOP VDOT NRO MPSTOC - Signal Center

• emergency traffic control information


• emergency traffic control request


• evacuation coordination


• evacuation information


• incident information


• incident response coordination


• road network conditions


• traffic information coordination

DDOT CapTOP VDOT NRO MPSTOC - TOC

• emergency plan coordination


• incident information


• incident response coordination

DDOT CapTOP VDOT NRO TFO

• emergency plan coordination


• emergency traffic control information


• incident information


• road network conditions


• traffic information coordination

RITISDDOT CapTOP

• archived data products


• incident information


• road network conditions


• transportation information for operations


• transportation system status

VDOT NRO MPSTOC - Signal CenterDDOT CapTOP

• emergency plan coordination


• emergency traffic control information


• emergency traffic control request


• evacuation coordination


• evacuation information


• incident response status


• road network conditions

VDOT NRO MPSTOC - TOCDDOT CapTOP

• emergency plan coordination


• incident information


• traffic information coordination

VDOT NRO TFODDOT CapTOP

• emergency plan coordination


• emergency traffic control request


• evacuation information


• incident information


• incident response status


• road network conditions


• traffic information coordination

VDOT Video ClearinghousesDDOT CapTOP

• traffic images

National ITS Architecture Subsystems
mapped to the DDOT CapTOP:

• Archived Data Management Subsystem
• Information Service Provider Subsystem
• Maintenance and Construction Management Subsystem
• Traffic Management Subsystem

National ITS Architecture Services
associated with DDOT CapTOP:

• ATMS07 - Regional Traffic Management -- (Graphic)
• ATMS08 - Traffic Incident Management System -- Graphic 1 2 3 4
• EM05 - Transportation Infrastructure Protection -- Graphic 1 2
• EM06 - Wide-Area Alert -- Graphic 1 2
• EM08 - Disaster Response and Recovery -- Graphic 1 2 3 4
• EM09 - Evacuation and Reentry Management -- Graphic 1 2 3
• MC10 - Maintenance and Construction Activity Coordination -- Graphic 1 2

National ITS Architecture Functional Requirements
associated with DDOT CapTOP:

none