City of Greenwood Signal Preemption

Project Description: This project would deploy emergency signal preemption on all City–owned signalized intersections in the City of Greenwood.

Project Status: Planned

Project Stakeholders:

Suburban Municipalities

Project Inventory:

Interconnect and Flow

Diagrams

Project Service Packages:

PS03: Emergency Vehicle Preemption (City of Greenwood Signal Preemption)

Project Information Flows:

Information Flow	Source Element	Destination Element	Status
local signal preemption request	Suburban Municipality Emergency Vehicles	Suburban Municipality Street Department Roadside Equipment	Planned
right-of-way request notification	Suburban Municipality Street Department Roadside Equipment	Suburban Municipality Street Department Operations/Dispatch	Planned
signal control commands	Suburban Municipality Street Department Operations/Dispatch	Suburban Municipality Street Department Roadside Equipment	Planned
signal control plans	Suburban Municipality Street Department Operations/Dispatch	Suburban Municipality Street Department Roadside Equipment	Planned
signal control status	Suburban Municipality Street Department Roadside Equipment	Suburban Municipality Street Department Operations/Dispatch	Planned

Project Functional Requirements (Element - Functional Object):

Suburban Municipality Emergency Vehicles - EV On-Board En Route Support

5: The emergency vehicle shall send requests to traffic signal control equipment at the roadside to preempt the signal.

Suburban Municipality Street Department Operations/Dispatch - TMC Signal Control

1: The center shall remotely control traffic signal controllers.
10: The center shall adjust signal timing in respond to a signal prioritization, signal preemption, pedestrian call, multi-modal crossing activation, or other requests for right-of-way.

Suburban Municipality Street Department Roadside Equipment - Roadway Signal Control

1: The field element shall control traffic signals under center control.
15: The field element shall receive requests for emergency vehicle signal preemption.
6: The field element shall return traffic signal controller operational status to the center.

Suburban Municipality Street Department Roadside Equipment - Roadway Signal Preemption

1: The field element shall respond to signal preemption requests from emergency vehicles.

Standards:

Project Operational Concepts:

Roles and Responsibilities

Suburban Municipalities

Install and maintain signal preemption equipment.
Install and operate traffic signals (local routes)

Regional Objectives from the Metropolitan Plan:

No Project Objectives defined.

Last Updated: 1/8/2024