ITS Element: DDOT PTSA

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Description: PTSA is responsible for developing and operating the District of Columbia's Streetcar and Circulator bus system, expanding the District's bike-sharing program, and providing budget and operation oversight for the District's investment in Metrorail and Metrobus.
Status: Existing
Stakeholder: DDOT Progressive Transportation Services Administration
Mapping: Archived Data Management Subsystem
Emergency Management
Transit Management
Other Emergency Management
Other Transit Management
Rail Operations
Other Archives

Interfaces:

DC Circulator Website
DC Street Car
DDOT Data Warehouse
DDOT PTSA Customer Information System
DDOT PTSA DC Circulator Bus
DDOT PTSA Kiosks
DDOT PTSA Paratransit Vehicles
DDOT PTSA Security Systems
DDOT PTSA Transit Data Archive
DDOT Public Information Office
DDOT Street and Bridge Maintenance
DDOT TMC
District 911 Call Center
DPW Dispatch
Financial Institutions
Local Transit or Rail Operators Systems
MATOC
MDSHA CHART Centers
MPD Police Dispatch
MWAA Systems
MWCOG TPB Database
Private Traveler Information Systems
Private Traveler Information Systems
Regional Bike/ Car Sharing
Regional Bus Terminals
Regional Transit Fare Card Reciprocity Network
RITIS
RITIS
Union Station
VDOT NRO MPSTOC
WMATA Bus Operations Control Center
WMATA Rail Operations Control Center
Market Packages: AD2 - ITS Data Warehouse - DDOT Data Warehouse
AD3 - ITS Virtual Data Warehouse - MWCOG
AD3 - ITS Virtual Data Warehouse - RITIS
APTS01 - Transit Vehicle Tracking - DDOT PTSA
APTS02 - Transit Fixed-Route Operations - DDOT PTSA
APTS03 - Demand Response Transit Operations - Future DDOT Demand Response System
APTS04 - Transit Fare Collection Management - DDOT PTSA
APTS04 - Transit Fare Collection Management - Regional Transit Fare Card Reciprocity Network
APTS05 - Transit Security - DDOT PTSA
APTS05 - Transit Security - DDOT PTSA
APTS06 - Transit Fleet Management - DDOT PTSA
APTS07 - Multi-modal Coordination - Regional Transit / Multimodal Terminals
APTS08 - Transit Traveler Information - DDOT PTSA
APTS09 - Transit Signal Priority - DDOT / DDOT PTSA
APTS10 - Transit Passenger Counting - DDOT PTSA
ATMS02 - Traffic Probe Surveillance - DDOT
ATMS06 - Traffic Information Dissemination - DDOT (3 of 3)
ATMS06 - Traffic Information Dissemination - DDOT (2 of 3)
ATMS09 - Traffic Decision Support and Demand Management - Metropolitan Region
ATMS15 - Railroad Operations Coordination - DDOT Street Car Operations
EM06 - Wide-Area Alert - HSEMA to DDOT Traffic, Maintenance, and Transit
EM07 - Early Warning System - MATOC / DDOT Traffic, Maintenance, and Transit
EM08 - Disaster Response and Recovery - DDOT Traffic, Maintenance, and Transit
EM09 - Evacuation and Reentry Management - DDOT
EM10 - Disaster Traveler Information - DDOT Public Information Office System
MC04 - Weather Information Processing and Distribution - DDOT
Functional Requirements:

ITS Data Repository

  • The center shall collect data to be archived from one or more data sources.
  • The center shall collect data catalogs from one or more data sources. A catalog describes the data contained in the collection of archived data and may include descriptions of the schema or structure of the data, a description of the contents of the data; e.g., time range of entries, number of entries; or a sample of the data (e. g. a thumbnail).
  • The center shall store the archived data in a focused repository that is suited to a particular set of ITS data users.
  • The center shall include capabilities for performing quality checks on the incoming archived data.
  • The center shall include capabilities for error notification on the incoming archived data.
  • The center shall include capabilities for archive to archive coordination.
  • The center shall support a broad range of archived data management implementations, ranging from simple data marts that collect a focused set of data and serve a particular user community to large-scale data warehouses that collect, integrate, and summarize transportation data from multiple sources and serve a broad array of users within a region.
  • The center shall perform quality checks on received data.
  • The center shall provide the capability to execute methods on the incoming data such as cleansing, summarizations, aggregations, or transformations applied to the data before it is stored in the archive.
  • The center shall respond to requests from the administrator interface function to maintain the archive data.
  • When data or a catalog of data is received from the archive, the center shall generate the requested data product for the users systems.
  • For archive data requiring financial payment, the center shall process the financial requests and manage an interface to a Financial Institution.

Transit Center Fare Management

  • The center shall manage the actual value of transit fares for each segment of each regular transit route, including the transmission of the information to transit vehicles and transit stops or stations.
  • The center shall provide the capability for a system operator to manage the transit fares and control the exchange of transit fare information.
  • The center shall process the financial requests from the transit vehicles or roadside and manage an interface to a Financial Institution.
  • The center shall support the payment of transit fare transactions using data provided by the traveler cards / payment instruments.
  • The center shall collect data on fare payment violations and send the data, including images of the violator, to the appropriate enforcement agency.
  • The center shall be capable of establishing emergency fare structures to override all other fares during disasters, states of emergency, or evacuations.
  • The center shall maintain a list of invalid traveler credit identities or bad tag lists that can be forwarded to transit vehicles and transit stops or stations.
  • The center shall collect fare statistics data to implement variable and flexible fare structures.
  • The center shall exchange fare and load information with other transit management centers, including potential Centralized Payments facilities.
  • The center shall provide transit fare information to other centers, including traveler information providers upon request.

Transit Center Fixed-Route Operations

  • The center shall generate transit routes and schedules based on such factors as parameters input by the system operator, road network conditions, incident information, operational data on current routes and schedules, and digitized map data.
  • The center shall provide the interface to the system operator to control the generation of new routes and schedules (transit services) including the ability to review and update the parameters used by the routes and schedules generation processes and to initiate these processes
  • The center shall be able to generate special routes and schedules to support an incident, disaster, evacuation, or other emergency.
  • The center shall dispatch fixed route or flexible route transit vehicles
  • The center shall collect transit operational data for use in the generation of routes and schedules.
  • The center shall provide instructions or corrective actions to the transit vehicle operators based upon operational needs.
  • The center shall manage large deviations of individual transit vehicles, deviations in rural areas, and deviations of large numbers of vehicles.
  • The center shall generate the necessary corrective actions which may involve more than the vehicles concerned and more far reaching action, such as, the introduction of extra vehicles, wide area signal priority by traffic management, the premature termination of some services, etc.
  • The center shall exchange information with Maintenance and Construction Operations concerning work zones, roadway conditions, asset restrictions, work plans, etc.
  • The center shall disseminate up-to-date schedules and route information to other centers for fixed and flexible route services.
  • The center shall provide an interface to the archive data repository to enable the operator to retrieve historical operating data for use in planning transit routes and schedules.

Transit Center Information Services

  • The center shall provide travelers using public transportation with traffic and advisory information upon request. Such information may include transit routes, schedules, transfer options, fares, real-time schedule adherence, current incidents, weather conditions, and special events.
  • The center shall provide transit information to the media including details of deviations from schedule of regular transit services.
  • The center shall exchange transit schedules, real-time arrival information, fare schedules, and general transit service information with other transit organizations to support transit traveler information systems.
  • The center shall provide transit service information to traveler information service providers including routes, schedules, schedule adherence, and fare information as well as transit service information during evacuation.
  • The center shall enable yellow pages (including non-motorized transportation) information to be output to the traveler.
  • The center shall broadcast transit advisory data, including alerts and advisories pertaining to major emergencies, or man made disasters.

Transit Center Multi-Modal Coordination

  • The center shall coordinate schedules and services between transit agencies, traffic management, maintenance and construction operations, parking management, and other surface or air transportation modes.
  • The center shall share transfer cluster and transfer point information with multimodal transportation service providers, other transit agencies, and traveler information service providers. A transfer cluster is a collection of stop points, stations, or terminals where transfers can be made conveniently.
  • The center shall accept requests from traffic management to change routes and schedules as part of the implementation of demand management strategies.
  • The center shall coordinate transit services for special events, planning services for the event and managing transit services on the day of the event.
  • The center shall provide transit operations personnel with the capability to control and monitor transit service coordination activities.

Transit Center Paratransit Operations

  • The center shall exchange information with Maintenance and Construction Operations concerning work zones, roadway conditions, asset restrictions, work plans, etc.
  • The center shall disseminate up-to-date schedules and route information to other centers for demand responsive transit services (paratransit).
  • The center shall collect the log of passenger boardings and alightings from the paratransit vehicles.
  • The center shall process trip requests for demand responsive transit services, i.e. paratransit. Sources of the requests may include traveler information service providers.
  • The center shall monitor the operational status of the demand response vehicles including status of passenger pick-up and drop-off.
  • The center shall generate demand response transit (including paratransit) routes and schedules based on such factors as parameters input by the system operator, what other demand responsive transit schedules have been planned, the availability and location of vehicles, the relevance of any fixed transit routes and schedules, road network information, and incident information.
  • The center shall dispatch demand response (paratransit) transit vehicles.

Transit Center Security

  • The center shall monitor transit vehicle operational data to determine if the transit vehicle is off-route and assess whether a security incident is occurring.
  • The center shall receive reports of emergencies on-board transit vehicles entered directly be the transit vehicle operator or from a traveler through interfaces such as panic buttons or alarm switches.
  • The center shall support the back-office portion of functionality to authenticate transit vehicle operators.
  • The center shall exchange transit incident information along with other service data with other transit agencies.
  • The center shall receive information pertaining to a wide-area alert such as weather alerts, disaster situations, or child abductions. This information may come from Emergency Management or from other Alerting and Advisory Systems.
  • The center shall send wide-area alert information to travelers (on-board transit vehicles or at stations/stops) and transit vehicle operators.
  • The center shall coordinate the response to security incidents involving transit with other agencies including Emergency Management, other transit agencies, media, traffic management, and traveler information service providers.
  • The center shall receive threat information and status on the integrity of the transit infrastructure.
  • The center shall provide support to remotely disable (or reset the disabling of) a transit vehicle in service.

Transit Center Vehicle Tracking

  • The center shall monitor the locations of all transit vehicles within its network.
  • The center shall determine adherence of transit vehicles to their assigned schedule.
  • 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 transit tracking and dispatch.
  • The center shall provide transit operational data to traveler information service providers.
  • The center shall provide collected transit probe data to traffic management centers and traveler information service providers for use in measuring current traffic conditions.

Transit Garage Maintenance

  • The center shall collect operational and maintenance data from transit vehicles.
  • The center shall monitor the condition of a transit vehicle to analyze brake, drive train, sensors, fuel, steering, tire, processor, communications equipment, and transit vehicle mileage to identify mileage based maintenance, out-of-specification or imminent failure conditions.
  • The center shall generate transit vehicle maintenance schedules that identify the maintenance or repair to be performed and when the work is to be done.
  • The center shall generate transit vehicle availability listings, current and forecast, to support transit vehicle assignment planning based, in part, on the transit vehicle maintenance schedule.
  • The center shall assign technicians to a transit vehicle maintenance schedule, based upon such factors as personnel eligibility, work assignments, preferences and seniority.
  • The center shall verify that the transit vehicle maintenance activities were performed correctly, using the transit vehicle's status, the maintenance personnel's work assignment, and the transit maintenance schedules.
  • The center shall generate a time-stamped maintenance log of all maintenance activities performed on a transit vehicle.
  • The center shall provide transit operations personnel with the capability to update transit vehicle maintenance information and receive reports on all transit vehicle operations data.

Transit Vehicle Operator Assignment

  • The center shall maintain records of a transit vehicle operator's performance. This may be done utilizing standardized performance evaluation criteria set forth by governmental regulations and transit operating company policies, assessing the transit vehicle operator's driving history, and assessing comments from the transit vehicle operator's supervisor(s) as well as noting any moving violations or accidents, supervisor comments, government regulations, and company policies.
  • The center shall assess the transit vehicle operator's availability based on previous work assignments, accumulated hours, plus health and vacation commitments.
  • The center shall assign transit vehicle operators to transit schedules based on their eligibility, route preferences, seniority, and transit vehicle availability.
  • The center shall provide an interface through which the transit vehicle operator information can be maintained - either from the transit vehicle operator, center personnel, or other functions.
  • The center shall generate supplemental vehicle operator assignments as required due to change events that occur during the operating day.

Government Reporting Systems Support

Transit Data Collection

  • The center shall collect transit management data such as transit fares and passenger use, transit services, paratransit operations, transit vehicle maintenance data, etc.
  • The center shall assign quality control metrics and meta-data to be stored along with the data. Meta-data may include attributes that describe the source and quality of the data and the conditions surrounding the collection of the data.
  • The center shall receive and respond to requests from ITS Archives for either a catalog of the transit data or for the data itself.
  • The center shall be able to produce sample products of the data available.

Transit Environmental Monitoring

  • The center shall assimilate current and forecast road conditions and surface weather information to more effectively manage transit operations.
  • The center shall collect current and forecast road and weather information from weather service providers and roadway maintenance centers.

Center Secure Area Surveillance

  • The center shall remotely monitor video images and audio surveillance data collected in secure areas including facilities (e.g. transit yards) and transportation infrastructure (e.g. bridges, tunnels, interchanges, roadway infrastructure, and transit railways or guideways). The data may be raw or pre-processed in the field.
  • The center shall remotely monitor video images and audio surveillance data collected in traveler secure areas, which include transit stations, transit stops, rest areas, park and ride lots, and other fixed sites along travel routes (e.g., emergency pull-off areas and travel information centers). The data may be raw or pre-processed in the field.
  • The center shall remotely monitor video images and audio surveillance data collected on-board transit vehicles. The data may be raw or pre-processed in the field.
  • The center shall exchange surveillance data with other emergency centers.
  • The center shall identify potential security threats based on collected security surveillance data.
  • The center shall verify potential security threats by correlating security surveillance data from multiple sources.
  • The center shall remotely control security surveillance devices in secure areas including facilities (e.g. transit yards) and transportation infrastructure (e.g. bridges, tunnels, interchanges, roadway infrastructure, and transit railways or guideways).
  • The center shall remotely control security surveillance devices in traveler secure areas, which include transit stations, transit stops, rest areas, park and ride lots, and other fixed sites along travel routes (e.g., emergency pull-off areas and travel information centers).
  • The center shall remotely control security surveillance devices on-board transit vehicles.
  • The center shall match traveler video images against a database from the Alerting and Advisory Systems of known images that may represent criminals and terrorists.
  • The center shall exchange traveler images with other emergency management centers to support traveler image matching.
  • The center shall respond to control data from center personnel regarding security surveillance data collection, processing, threat detection, and image matching.
  • The center shall monitor maintenance status of the security sensor field equipment.

Transit Evacuation Support

  • The center shall manage the use of transit resources to support evacuation and subsequent reentry of a population in the vicinity of a disaster or other emergency.
  • The center shall coordinate regional evacuation plans with Emergency Management - identifying the transit role in an evacuation and the transit resources that would be used.
  • The center shall coordinate the use of transit and school bus fleets during an evacuation, supporting evacuation of those with special needs and the general population.
  • The center shall adjust and update transit service and fare schedules and provide that information to other agencies as they coordinate evacuations.

Center Secure Area Sensor Management

  • The center shall remotely monitor and control security sensor data collected in secure areas including facilities (e.g. transit yards) and transportation infrastructure (e.g. bridges, tunnels, interchanges, roadway infrastructure, and transit railways or guideways). The types of security sensor data include environmental threat (e.g. chemical agent, toxic industrial chemical, biological, explosives, and radiological sensors), infrastructure condition and integrity, intrusion and motion, and object detection sensors. The data may be raw or pre-processed in the field.
  • The center shall remotely monitor and control security sensor data collected in traveler secure areas, which include transit stations, transit stops, rest areas, park and ride lots, and other fixed sites along travel routes (e.g., emergency pull-off areas and travel information centers). The types of security sensor data include environmental threat (e.g. chemical agent, toxic industrial chemical, biological, explosives, and radiological sensors), intrusion and motion, and object detection sensors. The data may be raw or pre-processed in the field.
  • The center shall remotely monitor and control security sensor data collected on-board transit vehicles. The types of security sensor data include environmental threat (e.g. chemical agent, toxic industrial chemical, biological, explosives, and radiological sensors) and object detection sensors. The data may be raw or pre-processed in the field.
  • The center shall exchange security sensor data with other emergency centers.
  • The center shall identify potential security threats based on collected security sensor data.
  • The center shall verify potential security threats by correlating security sensor data from multiple sources.
  • The center shall perform threat analysis based on correlations of security sensor and surveillance data.
  • The center shall exchange threat analysis data with Alerting and Advisory Systems and use that data in local threat analysis processing.
  • The center shall disseminate threat information to other agencies, including traffic, transit, maintenance, rail operations, and other emergency management centers.
  • The center shall respond to control data from center personnel regarding security sensor data collection, processing, threat detection, and threat analysis.
  • The center shall request activation of barriers and safeguards on request from center personnel.
  • The center shall monitor maintenance status of the security sensor field equipment.

Center Secure Area Alarm Support

  • The center shall collect silent and audible alarms received from travelers in secure areas (such as transit stops, rest areas, park and ride lots, modal interchange facilities).
  • The center shall collect silent and audible alarms received from transit vehicles, originated by the traveler or the transit vehicle operator.
  • After the alarm message has been received, the center shall generate an alarm acknowledgment to the sender.
  • After the alarm message becomes a verified incident, the center shall determine the appropriate response.
  • The center shall determine whether the alarm message indicates an emergency that requires the attention of public safety agencies, and forward alarm message data to the appropriate agency as necessary.
  • The center shall forward the alarm message to center personnel and respond to the traveler or transit vehicle operator as directed by the personnel.

Transit Center Passenger Counting

  • The center shall collect passenger count information from each transit vehicle.
  • The center shall calculate transit ridership data by route, route segment, transit stop, time of day, and day of week based on the collected passenger count information.
  • The center shall make the compiled ridership data available to the system operator and other applications.

Transit Vehicle Assignment

  • The center shall assign individual transit vehicles to transit blocks.
  • The center shall download vehicle assignments to the transit vehicle prior to the start of the day’s operations.
  • The center shall provide an exception handling process for the vehicle assignment function. This process shall generate new supplemental vehicle assignments as required due to change events which occur during the operating day.
  • The center shall provide an inventory management function for the transit facility that stores functional attributes about each vehicle owned by the transit operator. The functional attributes permit the planning and assignment functions to match vehicles with routes based on suitability for the types of service required by the particular routes.
  • The center shall generate transit vehicle availability listings, current and forecast, to support transit vehicle assignment planning.
  • The center shall provide transit operations personnel with the capability to update transit vehicle assignments and receive reports on transit vehicle inventory status.

Transit Center Signal Priority

  • The center shall analyze transit vehicle schedule performance to determine the need for priority along certain routes or at certain intersections.
  • The center shall send requests for priority along routes or at intersections to traffic management.
  • The center shall define business rules that govern use of transit vehicle signal priority, communicate these rules to the transit vehicle, and monitor transit vehicle requests for priority at signalized intersections.
  • The center shall provide transit operations personnel with the capability to control and monitor transit signal priority operations.

Last updated: 06-10-11