District of Columbia ITS Architecture

DDOT TMC Upgrade

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Description

Support centralized traffic signal control. Incorporate field devices, improve incident management, support center-to-center communications.

Status

Planned

Timeframe

Short

Geographic Scope

Service Scope

Stakeholders

DDOT Transportation Operations Administration

Inventory

DDOT CCTV

DDOT Dynamic Message Signs

DDOT HAR

DDOT Lane Control Signals

DDOT TMC

DDOT Traffic Signals

DDOT Tunnel Control Room

I-95 CC Information Exchange Network

Local Traffic Control Centers

MDSHA CHART Centers

VDOT NRO MPSTOC

Services

ATMS03-1 - Surface Street Control - DDOT

ATMS04-1 - Freeway Control - DDOT

ATMS07-1 - Regional Traffic Management - DDOT TMC

ATMS08-01 - Traffic Incident Management System - Traffic Management to Emergency Management

Functional Areas

Collect Traffic Surveillance

• The center shall distribute road network conditions data (raw or processed) based on collected and analyzed traffic sensor and surveillance data to other centers.
• The center shall maintain a database of surveillance and sensors and the freeways, surface street and rural roadways, e.g. where they are located, to which part(s) of the network their data applies, the type of data, and the ownership of each link (that i
• The center shall monitor, analyze, and distribute traffic images from CCTV systems under remote control of the center.
• The center shall monitor, analyze, and store traffic sensor data (speed, volume, occupancy) collected from field elements under remote control of the center.
• The center shall respond to control data from center personnel regarding sensor and surveillance data collection, analysis, storage, and distribution.
• The center shall support an interface with a map update provider, or other appropriate data sources, through which updates of digitized map data can be obtained and used as a background for traffic data.

Emergency Response Management

• The center shall allocate the appropriate emergency services, resources, and vehicle (s) to respond to incidents, and shall provide the capability to override the current allocation to suit the special needs of a current incident.
• The center shall assimilate the damage assessment of the transit, traffic, rail, maintenance, and other emergency center services and systems to create an overall transportation system status, and disseminate to each of these centers and the traveling pub
• The center shall collect information about the status of the recovery efforts for the infrastructure during disasters.
• The center shall develop, coordinate with other agencies, and store emergency response plans.
• The center shall manage coordinated inter-agency responses to and recovery from large-scale emergencies. Such agencies include traffic management, transit, maintenance and construction management, rail operations, and other emergency management agencies.
• The center shall provide information to the media concerning the status of an emergency response.
• The center shall provide strategic emergency response capabilities provided by an Emergency Operations Center for large-scale incidents and disasters.
• The center shall provide the capability for center personnel to provide inputs to the management of incidents, disasters and evacuations.
• The center shall provide the capability for digitized map data to act as the background to the information presented to the emergency system operator.
• The center shall provide the capability to communicate information about emergency situations to local population through the Emergency Telecommunications System.
• The center shall provide the capability to identify neighborhoods and businesses that should be informed of an emergency situation based on information collected about incidents including their severity, impacted locations, and recovery schedule.
• The center shall provide the capability to implement response plans and track progress through the incident by exchanging incident information and response status with allied agencies.
• The center shall provide the capability to remotely control and monitor CCTV systems normally operated by a traffic management center.
• The center shall provide the capability to request transit resource availability from transit centers for use during disaster and evacuation operations.
• The center shall provide the overall status of infrastructure recovery efforts to traveler information providers and media.
• The center shall receive event scheduling information from Event Promoters.
• The center shall support remote control of field equipment normally under control of the traffic management center including traffic signals, dynamic message signs, gates, and barriers.
• The center shall track the availability of resources and coordinate resource sharing with allied agency centers including traffic, maintenance, or other emergency centers.

Incident Command

• The center shall assess the status of responding emergency vehicles as part of an incident command.
• The center shall provide incident command communications with public safety, emergency management, transportation, and other allied response agency centers.
• The center shall provide tactical decision support, resource coordination, and communications integration for Incident Commands that are established by first responders to support local management of an incident.
• The center shall share incident command information with other public safety agencies including resource deployment status, hazardous material information, rail incident information, evacuation advice as well as traffic, road, and weather conditions.
• The center shall track and maintain resource information and action plans pertaining to the incident command.

TMC Freeway Management

• The center shall collect fault data from ramp meters, mainline metering, and lane controls.
• The center shall collect operational status from ramp meters, mainline metering, and lane controls and compare against the control information sent by the center.
• The center shall implement control strategies, under control of center personnel, on some or all of the freeway network devices (e.g. ramp meters, mainline metering, and lane controls), based on data from sensors monitoring traffic conditions upstream, do
• The center shall remotely control systems to manage use of the freeways, including ramp meters, mainline metering, and lane controls.

TMC Incident Detection

• The center shall collect and store traffic flow and image data from the field equipment to detect and verify incidents.
• The center shall exchange incident and threat information with emergency management centers as well as maintenance and construction centers; including notification of existence of incident and expected severity, location, time and nature of incident.
• The center shall provide road network conditions and traffic images to emergency management centers to support the detection, verification, and classification of incidents.
• The center shall provide video and traffic sensor control commands to the field equipment to detect and verify incidents.
• The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters, traveler information service providers, border crossings, and intermodal freight depots.
• The center shall receive inputs from the Alerting and Advisory System concerning the possibility or occurrence of severe weather, terrorist activity, or other major emergency, including information provided by the Emergency Alert System.
• The center shall support requests from emergency management centers and border inspection systems to remotely control sensor and surveillance equipment located in the field.

TMC Incident Dispatch Coordination/Communication

• The center shall coordinate information and controls with other traffic management centers.
• The center shall coordinate planning for incidents with emergency management centers - including pre-planning activities for disaster response, evacuation, and recovery operations.
• The center shall exchange alert information and status with emergency management centers. The information includes notification of a major emergency such as a natural or man-made disaster, civil emergency, or child abduction for distribution to the publi
• The center shall exchange incident information with emergency management centers, maintenance and construction centers, transit centers, information service providers, and the media including description, location, traffic impact, status, expected duratio
• The center shall exchange road network status assessment information with emergency management and maintenance centers including an assessment of damage sustained by the road network including location and extent of the damage, estimate of remaining capac
• The center shall monitor incident response performance and calculate incident response and clearance times.
• The center shall provide road network conditions and traffic images to emergency management centers, maintenance and construction centers, and traveler information service providers.
• The center shall receive inputs concerning upcoming events that would effect the traffic network from event promoters, traveler information service providers, media, border crossings, and rail operations centers.
• The center shall receive inputs from emergency management and transit management centers to develop an overall status of the transportation system including emergency transit schedules in effect and current status and condition of the transportation infra
• The center shall share resources with allied agency centers to implement special traffic control measures, assist in clean up, verify an incident, etc. This may also involve coordination with maintenance centers.
• The center shall support an interface with a map update provider, or other appropriate data sources, through which updates of digitized map data can be obtained and used as a background for traffic incident management.
• The center shall support requests from emergency management centers to remotely control sensor and surveillance equipment located in the field, provide special routing for emergency vehicles, and to provide responding emergency vehicles with signal preemp

TMC Regional Traffic Management

• The center shall exchange traffic control information with other traffic management centers to support remote monitoring and control of traffic management devices (e.g. signs, sensors, signals, cameras, etc.).
• The center shall exchange traffic information with other traffic management centers including incident information, congestion data, traffic data, signal timing plans, and real-time signal control information.

TMC Signal Control

• The center shall accept notifications of right-of-way requests from pedestrians.
• The center shall collect traffic signal controller fault data from the field.
• The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
• The center shall remotely control traffic signal controllers.

TMC Traffic Information Dissemination

• The center shall collect fault data for the driver information systems equipment (DMS, HAR, etc.) for repair.
• The center shall collect operational status for the driver information systems equipment (DMS, HAR, etc.).
• The center shall distribute traffic data to maintenance and construction centers, transit centers, emergency management centers, and traveler information providers.
• The center shall distribute traffic data to the media; the capability to provide the information in both data stream and graphical display shall be supported.
• The center shall provide the capability for center personnel to control the nature of the data that is available to non-traffic operations centers and the media.
• The center shall remotely control driver information systems that communicate directly from a center to the vehicle radio (such as Highway Advisory Radios) for dissemination of traffic and other information to drivers.
• The center shall remotely control dynamic messages signs for dissemination of traffic and other information to drivers.
• The center shall retrieve locally stored traffic information, including current and forecasted traffic information, road and weather conditions, traffic incident information, information on diversions and alternate routes, closures, and special traffic re

Traffic Maintenance

• The center shall collect and store CCTV surveillance system (traffic, pedestrian) fault data send to the maintenance center for repair.
• The center shall collect and store CCTV surveillance system (traffic, pedestrian) operational status.
• The center shall collect and store sensor (traffic, pedestrian, multimodal crossing) fault data and send to the maintenance center for repair.
• The center shall collect and store sensor (traffic, pedestrian, multimodal crossing) operational status.
• The center shall collect environmental sensor equipment fault data and send to the maintenance center for repair.
• The center shall collect environmental sensor operational status.
• The center shall exchange data with maintenance centers concerning the reporting of faulty equipment and the schedule/status of their repair. Information exchanged includes details of new equipment faults, and clearances when the faults are cleared.
• The center shall support an interface with a map update provider, or other appropriate data sources, through which updates of digitized map data can be obtained and used as a background for traffic maintenance data.

Interfaces

Source	Architecture Flows	Destination
DDOT CCTV	traffic images	DDOT TMC
DDOT CCTV	camera-based alerts_ud	DDOT TMC
DDOT Dynamic Message Signs	roadway information system status	DDOT TMC
DDOT Lane Control Signals	freeway control status	DDOT TMC
DDOT Lane Control Signals	traffic flow	DDOT TMC
DDOT Lane Control Signals	lane control status_ud	DDOT TMC
DDOT Street and Bridge Maintenance	roadway information system data	DDOT Dynamic Message Signs
DDOT TMC	video surveillance control	DDOT CCTV
DDOT TMC	freeway control data	DDOT Lane Control Signals
DDOT TMC	lane control data_ud	DDOT Lane Control Signals
DDOT TMC	traffic sensor control	DDOT Traffic Signals
DDOT TMC	signal control data	DDOT Traffic Signals
DDOT TMC	traffic control coordination	DDOT Tunnel Control Room
DDOT TMC	traffic information coordination	DDOT Tunnel Control Room
DDOT TMC	traffic images_ud	DDOT Tunnel Control Room
DDOT TMC	incident information	District 911 Call Center
DDOT TMC	resource deployment status	District 911 Call Center
DDOT TMC	incident information	FEMA Command Center
DDOT TMC	resource deployment status	FEMA Command Center
DDOT TMC	incident information	FEMS Fire-EMS Dispatch
DDOT TMC	resource deployment status	FEMS Fire-EMS Dispatch
DDOT TMC	incident information	Homeland Security Command Center
DDOT TMC	resource deployment status	Homeland Security Command Center
DDOT TMC	incident information	HSEMA Center
DDOT TMC	resource deployment status	HSEMA Center
DDOT TMC	traffic information coordination	I-95 CC Information Exchange Network
DDOT TMC	traffic control coordination	Local Traffic Control Centers
DDOT TMC	traffic information coordination	Local Traffic Control Centers
DDOT TMC	traffic images_ud	Local Traffic Control Centers
DDOT TMC	traffic control coordination	MDSHA CHART Centers
DDOT TMC	traffic information coordination	MDSHA CHART Centers
DDOT TMC	traffic images_ud	MDSHA CHART Centers
DDOT TMC	incident information	MPD Police Dispatch
DDOT TMC	resource deployment status	MPD Police Dispatch
DDOT TMC	incident information	National Park Service Centers - DC
DDOT TMC	resource deployment status	National Park Service Centers - DC
DDOT TMC	incident information	US Secret Service Center
DDOT TMC	resource deployment status	US Secret Service Center
DDOT TMC	incident information	USCP Command Center
DDOT TMC	resource deployment status	USCP Command Center
DDOT TMC	traffic images_ud	VDOT NRO MPSTOC
DDOT Traffic Signals	hri operational status	DDOT Street Car Field Equipment
DDOT Traffic Signals	request for right-of-way	DDOT TMC
DDOT Traffic Signals	signal control status	DDOT TMC
DDOT Traffic Signals	field device status	DDOT TMC
DDOT Tunnel Control Room	traffic control coordination	DDOT TMC
DDOT Tunnel Control Room	traffic information coordination	DDOT TMC
DDOT Tunnel Control Room	traffic images_ud	DDOT TMC
District 911 Call Center	incident information	DDOT TMC
District 911 Call Center	incident response status	DDOT TMC
District 911 Call Center	resource request	DDOT TMC
FEMA Command Center	incident information	DDOT TMC
FEMA Command Center	incident response status	DDOT TMC
FEMA Command Center	resource request	DDOT TMC
FEMS Fire-EMS Dispatch	incident information	DDOT TMC
FEMS Fire-EMS Dispatch	incident response status	DDOT TMC
FEMS Fire-EMS Dispatch	resource request	DDOT TMC
Homeland Security Command Center	incident information	DDOT TMC
Homeland Security Command Center	incident response status	DDOT TMC
Homeland Security Command Center	resource request	DDOT TMC
HSEMA Center	incident information	DDOT TMC
HSEMA Center	incident response status	DDOT TMC
HSEMA Center	resource request	DDOT TMC
I-95 CC Information Exchange Network	traffic information coordination	DDOT TMC
Local Traffic Control Centers	traffic control coordination	DDOT TMC
Local Traffic Control Centers	traffic information coordination	DDOT TMC
Local Traffic Control Centers	traffic images_ud	DDOT TMC
MDSHA CHART Centers	traffic control coordination	DDOT TMC
MDSHA CHART Centers	traffic information coordination	DDOT TMC
MDSHA CHART Centers	traffic images_ud	DDOT TMC
MPD Police Dispatch	incident information	DDOT TMC
MPD Police Dispatch	incident response status	DDOT TMC
MPD Police Dispatch	resource request	DDOT TMC
National Park Service Centers - DC	incident information	DDOT TMC
National Park Service Centers - DC	incident response status	DDOT TMC
National Park Service Centers - DC	resource request	DDOT TMC
US Secret Service Center	incident information	DDOT TMC
US Secret Service Center	incident response status	DDOT TMC
US Secret Service Center	resource request	DDOT TMC
USCP Command Center	incident information	DDOT TMC
USCP Command Center	incident response status	DDOT TMC
USCP Command Center	resource request	DDOT TMC
VDOT NRO MPSTOC	traffic information coordination	DDOT TMC
VDOT NRO MPSTOC	traffic images_ud	DDOT TMC

Standards

SDO	Document ID	Title	Type
AASHTO/ITE/NEMA	View List	NTCIP Center-to-Center Standards Group	Group
AASHTO/ITE/NEMA	View List	NTCIP Center-to-Field Standards Group	Group
IEEE	View List	Incident Management Standards Group	Group
AASHTO/ITE	ITE TMDD	Traffic Management Data Dictionary (TMDD) and Message Sets for External Traffic Management Center Communications (MS/ETMCC)	Message/Data
AASHTO/ITE/NEMA	NTCIP 1201	Global Object Definitions	Message/Data
AASHTO/ITE/NEMA	NTCIP 1202	Object Definitions for Actuated Traffic Signal Controller (ASC) Units	Message/Data
AASHTO/ITE/NEMA	NTCIP 1203	Object Definitions for Dynamic Message Signs (DMS)	Message/Data
AASHTO/ITE/NEMA	NTCIP 1205	Object Definitions for Closed Circuit Television (CCTV) Camera Control	Message/Data
AASHTO/ITE/NEMA	NTCIP 1207	Object Definitions for Ramp Meter Control (RMC) Units	Message/Data
AASHTO/ITE/NEMA	NTCIP 1208	Object Definitions for Closed Circuit Television (CCTV) Switching	Message/Data
AASHTO/ITE/NEMA	NTCIP 1209	Data Element Definitions for Transportation Sensor Systems (TSS)	Message/Data
AASHTO/ITE/NEMA	NTCIP 1210	Field Management Stations (FMS) - Part 1: Object Definitions for Signal System Masters	Message/Data
AASHTO/ITE/NEMA	NTCIP 1211	Object Definitions for Signal Control and Prioritization (SCP)	Message/Data
AASHTO/ITE/NEMA	NTCIP 1214	Object Definitions for Conflict Monitor Units (CMU)	Message/Data
IEEE	IEEE 1570-2002	Standard for the Interface Between the Rail Subsystem and the Highway Subsystem at a Highway Rail Intersection	Message/Data

Operational Concepts

Stakeholder	Roles and Responsibilities