ITS Element: DDOT Ramp Meters

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Description: This element represents the ramp metering equipment owned and operated by DDOT.
Status: Planned
Stakeholder: DDOT Transportation Operations Administration
Mapping: Roadway Subsystem
Other Roadway

Interfaces:

DDOT TMC
Market Packages: MC07 - Roadway Maintenance and Construction - DDOT (2 of 2)
Functional Requirements:

Roadway Freeway Control

  • The field element shall include ramp metering controllers, mainline meters, and lane controls for use on freeways, under center control.
  • The field element shall monitor operation of ramp meter, mainline meters, and lane control indicators and report to the center any instances in which the indicator response does not match that expected from the indicator control information.
  • The field element shall monitor operation of ramp meter, mainline meters, and lane control indicators and report to the center any instances in which the indicator response does not match that expected from known indicator preemptions.
  • The field element shall return ramp metering controller, mainline meters, and lane control operational status to the controlling center.
  • The field element shall return ramp metering controller, mainline meters, and lane control fault data to the maintenance center for repair.

Roadway Field Device Monitoring

  • The field element shall monitor the operational status (state of the device, configuration, and fault data) of connected sensors (such as traffic, infrastructure, environmental, security, speed) and devices (such as highway advisory radio, dynamic message signs, automated roadway treatment systems, barrier and safeguard systems, cameras, traffic signals, ramp meters, short range communications equipment, security surveillance equipment).
  • The field element shall send operational status of connected field equipment to the maintenance center.
  • The field element shall send collected fault data to the maintenance center for repair.

Last updated: 06-10-11