New Jersey Statewide ITS Architecture


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Equipment Package: Roadway Freeway Control

Description: Ramp meters, CMS and other freeway control effects which will control traffic on freeways.
Included In: NJDOT Central ITS Field Equipment
NJDOT North ITS Field Equipment
NJDOT South ITS Field Equipment
NJTA Parkway Division ITS Field Equipment
NJTA Turnpike ITS Field Equipment
SJTA ITS Field Equipment
Processes: 1.2.7.2 - Monitor Roadside Equipment Operation for Faults
1.2.7.5 - Process Indicator Output Data for Freeways
User Service Requirements: 1.0 - TRAVEL AND TRAFFIC MANAGEMENT
1.5.2 - TSI shall include an Information Access function that allows travelers to access the available information.
1.5.2.5 - Information Access shall provide the capability for travelers to access the TSI information via any of, but not limited to, the following methods:
1.5.2.5(a) - Highway advisory radio.
1.6 - TRAFFIC CONTROL
1.6.0 - ITS shall include a Traffic Control (TC) function. Traffic Control provides the capability to efficiently manage the movement of traffic on streets and highways. Four functions are provided, which are, (1) Traffic Flow Optimization, (2) Traffic Surveillance, (3) Control, and (4) Provide Information. This will also include control of network signal systems with eventual integration of freeway control.
1.6.3 - TC shall include a Device Control function.
1.6.3.3 - The Device Control function shall provide the capability to exercise control over those devices utilized for traffic control.
1.6.3.3.2 - Device Control shall include the capability to dynamically control traffic signing.
1.6.3.3.3 - Device Control shall include the capability to control freeway ramp metering.
1.6.3.4 - Device Control shall communicate control data to the following devices.
1.6.3.4(b) - Ramp meters.
1.6.3.4(c) - Information signs.
1.7 - INCIDENT MANAGEMENT
1.7.0 - ITS shall include an Incident Management (IM) function. Incident Management will identify incidents, formulate response actions, and support initiation and ongoing coordination of those response actions. Four major functions are provided, which are, (1) Incidents Identification, (2) Response Formulation, (3) Response Implementation, and (4) Predict Hazardous Conditions.
1.7.4 - IM shall provide the capability to Predict Hazardous Conditions, including the time and location of hazardous conditions that may cause an incident.
8.0 - MAINTENANCE AND CONSTRUCTION MANAGEMENT
8.1 - MAINTENANCE AND CONSTRUCTION OPERATIONS
8.1.2 - Maintenance and Construction Operations shall provide a Roadway Management (RWM) function to monitor traffic, road surface, and environmental conditions and forecast traffic and road surface conditions to support management of routine and hazardous road condition remediation and to communicate changes in conditions. This function includes interactions among Traffic Managers, Supervisors, Dispatchers, Field Crews, Construction Crews, Asset Managers, Planning Agencies, and Weather Services Organizations.
8.1.2.1 - RWM shall support a number of different services, including but not limited to:
8.1.2.1(e) - Repair activities

Last updated: 02-11-05