City of Greenwood Signal and Detection Implementation

Project Description: The City of Greenwood would deploy signals, detection (video, wireless etc.) and other associated equipment at various intersections on the city owned roadways.

Project Status: Planned

Project Stakeholders:

Suburban Municipalities

Project Inventory:

Interconnect and Flow

Diagrams

Project Service Packages:

TM03: Traffic Signal Control (City of Greenwood Signal and Detection Implementation)

Project Information Flows:

Information Flow	Source Element	Destination Element	Status
signal control commands	Suburban Municipality Street Department Operations/Dispatch	Suburban Municipality Street Department Roadside Equipment	Planned
signal control device configuration	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
signal fault data	Suburban Municipality Street Department Roadside Equipment	Suburban Municipality Street Department Operations/Dispatch	Planned
signal system configuration	Suburban Municipality Street Department Operations/Dispatch	Suburban Municipality Street Department Roadside Equipment	Planned
traffic detector control	Suburban Municipality Street Department Operations/Dispatch	Suburban Municipality Street Department Roadside Equipment	Planned
traffic detector data	Suburban Municipality Street Department Roadside Equipment	Suburban Municipality Street Department Operations/Dispatch	Planned

Project Functional Requirements (Element - Functional Object):

Suburban Municipality Street Department Operations/Dispatch - TMC Basic Surveillance

1: The center shall monitor, analyze, and store traffic sensor data (speed, volume, occupancy) collected from field elements under remote control of the center.

Suburban Municipality Street Department Operations/Dispatch - TMC Signal Control

1: The center shall remotely control traffic signal controllers.
3: The center shall collect traffic signal controller operational status and compare against the control information sent by the center.
4: The center shall collect traffic signal controller fault data from the field.
5: The center shall manage (define, store and modify) control plans to coordinate signalized intersections, to be engaged at the direction of center personnel or according to a daily schedule.
6: The center shall implement control plans to coordinate signalized intersections based on data from sensors.
8: The center shall maintain traffic signal coordination including synchronizing clocks throughout the system.

Suburban Municipality Street Department Roadside Equipment - Roadway Basic Surveillance

1: The field element shall collect, process, digitize, and send traffic sensor data (speed, volume, and occupancy) to the center for further analysis and storage, under center control.

Suburban Municipality Street Department Roadside Equipment - Roadway Signal Control

1: The field element shall control traffic signals under center control.
4: The field element shall report the current signal control information to the center.
6: The field element shall return traffic signal controller operational status to the center.
7: The field element shall return traffic signal controller fault data to the center.

Standards:

Project Operational Concepts:

Roles and Responsibilities

Suburban Municipalities

Install and operate traffic signals (local routes)

Regional Objectives from the Metropolitan Plan:

2. To implement strategies that address congested segments.
2A. Develop mobility strategies that address system performance and congested transportation segments.
8. To minimize negative impacts of the transportation system on the natural environment.
8B. Support projects that improve air quality.

Last Updated: 1/8/2024