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Equipment Package: TMC Reversible Lane Management

Description: This equipment package provides the capability for access and management of reversible lane facilities, including the direction of traffic flow changes during the day, especially between the peak hours and dedication of more lanes to the congestion direction during special events.
Included In: Chittenden Regional TOC
IBM Traffic Management
Processes: 1.1.2.2 - Process Traffic Data
1.1.2.7 - Monitor Reversible Lanes
1.1.4.2 - Provide Traffic Operations Personnel Traffic Data Interface
1.2.4.1 - Output Control Data for Roads
1.2.4.2 - Output Control Data for Freeways
1.3.4.2 - Provide Traffic Operations Personnel Incident Data Interface
5.4.1 - Process TM Detected Violations
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.
1.6.1 - TC shall include a Traffic Flow Optimization function to provide the capability to optimize traffic flow.
1.6.1.2.1 - Wide area optimization shall integrate the control of network signal systems with the control of freeways.
1.6.1.4 - Traffic Flow Optimization shall include a Control function that is responsive to both the current demand as well as the expected demand.
1.6.1.7 - Implementation of the Control function shall include strategies that account for at least the following:
1.6.1.7(a) - Human factors.
1.6.2 - TC shall include a Traffic Surveillance function.
1.6.2.2 - Traffic Surveillance shall include a data collect function to provide the capability to collect data for determining traffic flow and prediction.
1.6.2.2.1 - The data collect function shall provide the capability to quickly feedback traffic data to the control processes.
1.6.2.3 - Traffic Surveillance shall include a wide-area surveillance capability to include several jurisdictions.
1.6.2.3.2 - The wide-area surveillance shall cover a large number of roadway segments.
1.6.2.4 - TC shall provide the capability to acquire detailed traffic measurements at specific locations.
1.6.2.4.1 - Traffic Surveillance shall include a data process function to process the traffic data which are acquired.
1.6.3 - TC shall include a Device Control function.
1.6.3.2 - The real-time traffic-adaptive control portion of the Device Control function shall be an area wide control to include several jurisdictions.
1.6.3.2.2 - The area wide control shall be implemented in a manner that permits the following types of vehicles to have preference over other vehicles being controlled.
1.6.3.2.2(b) - HOV.
1.6.3.3 - The Device Control function shall provide the capability to exercise control over those devices utilized for traffic control.
1.6.3.3.1 - Device Control shall include the capability to control traffic signalization, including rapid modification of signalization parameters to respond to traffic requirements.
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.
1.6.3.3.4 - Device Control shall include the capability to exercise dynamic control over the infrastructure (such as reversible-lanes, turning restrictions, etc.).
1.6.3.4 - Device Control shall communicate control data to the following devices.
1.6.3.4(a) - Traffic signals.
1.6.3.4(e) - Human operator support.
1.6.3.4.1 - Traffic Surveillance shall include a data process function to process the traffic data which are acquired.
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.
1.7.1 - Incident Management shall provide an Incident Identification function to identify incidents.
1.7.1.1 - The Incident Identification function shall include the capability to identify predicted incidents.
1.7.1.1.1 - The Incident Identification function shall use information from the following types of sources, where available, to identify predicted incidents:
1.7.1.1.1(a) - Traffic flow sensors.
1.7.1.1.1(b) - Environmental sensors.
1.7.2 - IM shall provide a Response Formulation function to formulate appropriate response actions to each identified incident and revise those actions when necessary.
1.7.2.1 - The Response Formulation function shall propose and facilitate the appropriate scheduling of those predicted incidents that can be scheduled to minimize incident potential, incident impacts, and/or the resources required for incident management.
1.7.3 - IM shall include a Response Implementation function to provide the services to implement a response coordinated with all appropriate agencies.
1.7.3.2 - The Response Implementation function shall provide a link between Incident Management and all other user services necessary to implement incident response actions.
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.
1.8 - TRAVEL DEMAND MANAGEMENT
1.8.1 - TDM shall include a communications function.
1.8.1.4 - The communications function shall provide the capability to send information and data as needed to implement management and control strategies that respond to changing environments, conditions, and policy needs to include, but not limited to, the following:
1.8.1.4(a) - Sensor data.
1.8.2 - TDM shall include a processing function.
1.8.2.3 - Strategies developed by the processing function shall include the guidance for the operation of physical systems that:
1.8.2.3(a) - Monitor traffic.
1.8.2.3(d) - Detect traffic.
1.10 - HIGHWAY RAIL INTERSECTION
1.10.0 - ITS shall include a Highway-Rail Intersection (HRI) function to control highway and rail traffic in at-grade HRIs. Two sub-services are supported: Standard Speed Rail Subservice which is applicable to light rail transit, commuter rail and heavy rail trains with operational speeds up to 79 miles per hour (MPH); and High Speed Rail Subservice which is applicable to all passenger and freight trains with operational speeds from 80 to 125 MPH.
1.10.3 - At all HRIs with active railroad warning systems, HRI shall manage the traffic in the intersection.
1.10.3.3 - HRI shall provide an Intelligent Intersection Controller (IIC) function to manage highway and rail traffic in the intersection.
1.10.3.3.5 - IIC function shall report real-time HRI traffic status as advisories or alerts.
1.10.5 - HRI shall provide a High Speed Rail (HSR) Subservice for HRIs on rail lines with operational speeds between 80 and 125 MPH.
1.10.5.2 - HSR shall provide special safety features to enhance safety.
1.10.5.2.6 - HSR shall provide HRI status to highway vehicles as either a "STOP FOR TRAIN" or a "PROCEED" indication.
5.0 - EMERGENCY MANAGEMENT
5.1 - EMERGENCY NOTIFICATION AND PERSONAL SECURITY
5.1.3 - ENPS shall include a Remote Security and Emergency Monitoring (RSEM) function to create an environment of safety in secure areas.
5.1.3.4 - RSEM shall include a Monitor Alert Levels (MAL) function.
5.1.3.4.3 - MAL shall increase system preparedness as the likelihood of an incident increases, including:
5.1.3.5 - RSEM shall include a Physical Security System (PSS) function.
5.1.3.5.2 - PSS shall allow system operators to monitor and control operation of the physical security system devices, including operator override.
5.1.3.5.3 - PSS shall provide current status of the system including readiness and activation to operators.
5.1.5 - ENPS shall include a Protect Sensitive Traveler Information (PSTI) function to inhibit distribution of traveler information that is deemed to be sensitive.
5.1.5.1 - PSTI shall notify transportation operators and information providers when access to information from ITS surveillance and sensor systems must be restricted.
5.1.5.2 - The PSTI notification shall identify the geographic area, time, specific devices, and/or other information necessary to determine the traveler information that must be protected.
5.1.5.3 - PSTI shall restrict access to traveler information for the affected area until access restrictions are removed.
5.1.5.4 - PSTI shall notify transportation operators and information providers when traveler information access restrictions are removed.
5.3 - DISASTER RESPONSE AND EVACUATION
5.3.0 - ITS shall provide a Disaster Response and Evacuation (DRE) function that provides for effective, coordinated management of the surface transportation system during all types of disasters including natural disasters (hurricanes, earthquakes, floods, severe winter storms, tsunamis, etc.), terrorist acts, and other catastrophic events (e.g., nuclear power plant disasters). Two primary subservices are provided: (1) Disaster Response and (2) Evacuation Coordination. The Disaster Response Subservice provides support for planning, transportation management, resource sharing, and information coordination between transportation agencies and principal responding agencies (emergency management, public safety, and other allied agencies) to improve the effectiveness and safety of a disaster response. The Disaster Response Subservice consists of eight major functions: 1) Coordinate Response Plans, 2) Monitor Alert Levels, 3) Detect and Verify Emergency, 4) Assess Infrastructure Status, 5) Coordinate Response, 6) Critical Service Restoration, 7) Manage Area Transportation, and 8) Disaster Traveler Information. The Evacuation Coordination (EC) Subservice efficiently manages an evacuation and provides evacuees with the information they need during evacuation and subsequent reentry to the evacuated area. The Evacuation Coordination (EC) subservice includes four additional major functions: 9) Evacuation Planning Support, 10) Evacuation Traveler Information, 11) Evacuation Transportation Management, and 12) Evacuation Resource Sharing.
5.3.11 - Evacuation Coordination shall provide an Evacuation Transportation Management (ETM) function to assist evacuation coordination personnel as they manage evacuation operations.
5.3.11.10 - ETM shall have a lane reversal management function.
5.3.11.10.1 - It shall be possible to collect real-time data for traffic moving in all traveling lanes, with and without lane reversal.

Last updated: 04-25-05