KIPDA Regional ITS Architecture

Service Packages For: Louisville Metro Traffic - APTS09-1


  APTS09-1  
Scroll down to view list of elements, responsible agencies (stakeholders), candidate functional areas and requirements, and flows on this diagram.

List of Elements on this Diagram
Click on Element Name to go to Element Detail Page.
Element Name Stakeholder
Louisville Metro Traffic Management Center Louisville Metro Traffic
Louisville Metro Traffic Signals Louisville Metro Traffic
TARC Fixed Route Dispatch Center TARC
TARC Fixed Route Vehicle TARC

List of Stakeholder Elements and Roles on this Diagram
Click on Element Name to go to Page with Element Details.
Click on Functional Area/Role to go to Page with Candidate Functional Requirements.
Stakeholder Element Name Functional Area/Role Functional Area Description
Louisville Metro Traffic Louisville Metro Traffic Management Center TMC Signal Control This equipment package provides the capability for traffic managers to monitor and manage the traffic flow at signalized intersections. This capability includes analyzing and reducing the collected data from traffic surveillance equipment and developing and implementing control plans for signalized intersections. Control plans may be developed and implemented that coordinate signals at many intersections under the domain of a single traffic management subsystem and are responsive to traffic conditions and adapt to support incidents, preemption and priority requests, pedestrian crossing calls, etc.
Louisville Metro Traffic Louisville Metro Traffic Management Center TMC Multimodal Coordination This equipment package supports center-to-center coordination between the Traffic Management and Transit Management Subsystems. It monitors transit operations and provides traffic signal priority for transit vehicles on request from the Transit Management Subsystem.
Louisville Metro Traffic Louisville Metro Traffic Signals Roadway Signal Priority This equipment package includes the field elements that receive signal priority requests from transit vehicles approaching a signalized intersection. The request for priority may or may not be granted, based on the overall traffic situation at the intersection, adherence to the schedule of the transit vehicle, etc. If priority is granted, the operation of the traffic signal is adjusted to give an early green indication or hold a green indication that is already displaying
TARC TARC Fixed Route Dispatch Center Transit Center Signal Priority The equipment package monitors transit schedule performance and generates requests for transit priority on routes and at certain intersections. This equipment package may coordinate with the Traffic Management Subsystem to provide transit priority along the selected route. It also coordinates with the Transit Vehicle Subsystem to monitor and manage local transit signal priority requests at individual intersections.
TARC TARC Fixed Route Vehicle On-board Transit Signal Priority This on-board equipment package provides the capability for transit vehicles to request signal priority at signalized intersections, ramps, and interchanges through short range communication directly with traffic control equipment at the roadside.

List of Flows on this Diagram
Click on Architecture Flow to go to Page with Applicable ITS Standards.
Source Element Architecture Flow Destination Element
TARC Fixed Route Dispatch Center traffic control priority request Louisville Metro Traffic Management Center
Louisville Metro Traffic Signals right-of-way request notification Louisville Metro Traffic Management Center
TARC Fixed Route Vehicle local signal priority request Louisville Metro Traffic Signals
Louisville Metro Traffic Management Center signal control commands Louisville Metro Traffic Signals
Louisville Metro Traffic Management Center traffic control priority status TARC Fixed Route Dispatch Center
TARC Fixed Route Vehicle transit vehicle schedule performance TARC Fixed Route Dispatch Center