Final New Mexico Statewide ITS Architecture


Menu
State Home
Stakeholders
ITS Inventory
Inventory by Stakeholder
Inventory by Entity
Sausage Diagram
Market Packages by Functional Area
Market Packages by Stakeholder
Market Package Descriptions
Equipment Package Descriptions
Architecture Flow Descriptions
Project Documents
Send Your Comments

 

Equipment Package: Roadway Freeway Control

Description: This equipment package includes the field equipment used to control traffic on freeways including ramp meters, interchange connector meters, mainline meters, and lane control signals.
Included In: NMDOT Lane Controls
NMDOT Non-Reversible Lane Controls
NMDOT Ramp Meters
NMDOT Variable Speed Limit Signs
Functional Requirements 1 - The field element shall include ramp metering controllers, mainline meters, and lane controls for use on freeways, under center control.
2 - 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.
3 - 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.
4 - The field element shall return ramp metering controller, mainline meters, and lane control operational status to the controlling center.
5 - The field element shall return ramp metering controller, mainline meters, and lane control fault data to the maintenance center for repair.
6 - The field element shall provide indications to the driver that a freeway ramp or a lane is available for use, with possible usage data for the freeway lanes they are entering.
7 - The field element shall provide adjustable speed limits under center control.
8 - The field element shall return operational status to the controlling center.
9 - The field element shall return and lane control fault data to the maintenance center for repair.

Last updated: 03-27-07