ITS Roadway Equipment --> Traffic Management Center:
high resolution traffic signal data

Definitions

high resolution traffic signal data (Information Flow): Traffic detector, signal controller and cabinet events data that is collected by a signal controller at a high frequency (up to 10 times per second) to support automated traffic signal performance measures (ATSPM).

ITS Roadway Equipment (Source Physical Object): 'ITS Roadway Equipment' represents the ITS equipment that is distributed on and along the roadway that monitors and controls traffic and monitors and manages the roadway. This physical object includes traffic detectors, environmental sensors, traffic signals, highway advisory radios, dynamic message signs, CCTV cameras and video image processing systems, grade crossing warning systems, and ramp metering systems. Lane management systems and barrier systems that control access to transportation infrastructure such as roadways, bridges and tunnels are also included. This object also provides environmental monitoring including sensors that measure road conditions, surface weather, and vehicle emissions. Work zone systems including work zone surveillance, traffic control, driver warning, and work crew safety systems are also included.

Traffic Management Center (Destination Physical Object): The 'Traffic Management Center' monitors and controls traffic and the road network. It represents centers that manage a broad range of transportation facilities including freeway systems, rural and suburban highway systems, and urban and suburban traffic control systems. It communicates with ITS Roadway Equipment and Connected Vehicle Roadside Equipment (RSE) to monitor and manage traffic flow and monitor the condition of the roadway, surrounding environmental conditions, and field equipment status. It manages traffic and transportation resources to support allied agencies in responding to, and recovering from, incidents ranging from minor traffic incidents through major disasters.

Included In

This Triple is in the following Service Packages:

This triple is associated with the following Functional Objects:

This Triple is described by the following Functional View Data Flows:

  • None

This Triple has the following triple relationships:

None

Communication Solutions

  • No communications solutions identified.

    • Characteristics

    CharacteristicValue
    Time Context Recent
    Spatial Context Local
    Acknowledgement False
    CardinalityUnicast
    InitiatorDestination
    AuthenticableTrue
    EncryptFalse


    InteroperabilityDescription
    LocalIn cases where an interface is normally encapsulated by a single stakeholder, interoperability is still desirable, but the motive is vendor independence and the efficiencies and choices that an open standards-based interface provides.

    Security

    Information Flow Security
      Confidentiality Integrity Availability
    Rating Low Moderate Low
    Basis Little impact if this is observed. Low to moderate impact if this is incorrect or unavailable. More sophisticated, dynamic systems that rely on this information should have a fallback. Could be MODERATE in circumstances where performance difference is significant. Low to moderate impact if this is incorrect or unavailable. More sophisticated, dynamic systems that rely on this information should have a fallback. Could be MODERATE in circumstances where performance difference is significant.


    Security CharacteristicsValue
    AuthenticableTrue
    Encrypt False