Chittenden County Regional ITS Architecture
Menu
Region Home
Stakeholders
Inventory by Stakeholder
Inventory by Entity
Sausage Diagram
Market Packages by Stakeholder
Market Package Descriptions
Equipment Package Descriptions
Architecture Flow Descriptions
Project Documents
Send Your Comments

 

Equipment Package: TMC Multimodal Coordination

Description: This equipment package provides traffic signal priority for transit vehicles. Two options are provided including a wide-area option based on center to center communications between the Traffic Management and Transit Management Subsystems and a localized option based on direct communications between the transit vehicle and the individual intersection.
Included In: Burlington Traffic Management
Chittenden Regional TOC
Colchester Traffic Management
Essex Junction Traffic Management
Essex Traffic Management
Municipal Traffic Management
Shelburne Traffic Management
South Burlington Traffic Management
VTrans State TOC
Williston Traffic Management
Winooski Traffic Management
Processes: 1.2.2.1 - Determine Indicator State for Freeway Management
1.2.2.2 - Determine Indicator State for Road Management
1.2.3 - Determine Ramp State
1.4.2 - Collect Demand Forecast Data
User Service Requirements: 1.0 - TRAVEL AND TRAFFIC MANAGEMENT
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.
1.6.1.1 - Traffic Flow Optimization shall employ control strategies that seek to maximize traffic-movement efficiency.
1.6.1.1.1 - Traffic-movement control shall manage movement of traffic on streets.
1.6.1.1.2 - Traffic-movement control shall manage movement of traffic on highways.
1.6.1.1.3 - Traffic-movement control shall include the goal of minimizing delay times.
1.6.1.1.4 - Traffic-movement control shall include the goal of minimizing energy use.
1.6.1.1.5 - Traffic-movement control shall include the goal of minimizing air quality impacts due to traffic.
1.6.1.2 - Traffic Flow Optimization shall include a wide area optimization capability, to include several jurisdictions.
1.6.1.2.1 - Wide area optimization shall integrate the control of network signal systems with the control of freeways.
1.6.1.2.2 - Wide area optimization shall include features that provide preferential treatment for transit vehicles.
1.6.1.2.3 - Wide area optimization shall include features that provide preferential treatment for HOV.
1.6.1.3 - Traffic Flow Optimization shall be implemented in a manner that seeks to optimize traffic movement over a large geographic area.
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.
1.6.1.4.1 - The Control function shall include the capability to facilitate the dissipation of traffic congestion.
1.6.1.5 - Traffic Flow Optimization shall provide the capability to predict travel patterns.
1.6.1.6 - The Control function shall include the use of data acquired from traffic surveillance as feedback to the control strategies.
1.6.1.7 - Implementation of the Control function shall include strategies that account for at least the following:
1.6.1.7(b) - Driver/traveler behavior and expectancies.
1.6.3 - TC shall include a Device Control function.
1.6.3.1 - The Device Control function shall include a "real-time" traffic-adaptive control capability.
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.
1.6.3.2.1 - The area wide control shall be implemented in an integrated and consistent manner that avoids the issuance of conflicting controls.
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(a) - Transit.
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.).
1.8 - TRAVEL DEMAND MANAGEMENT
1.8.0 - ITS shall include a Travel Demand Management (TDM) function. Travel Demand Management will generate and communicate management and control strategies that will support and facilitate the implementation of TDM programs, policies and regulations. It consists of two major functions, which are, (1) Increase Efficiency of Transportation System and (2) Provide Wide Variety of Mobility Options.
1.8.1 - TDM shall include a communications function.
1.8.1.1 - The communications function shall include the capability to send the information needed to implement management and control strategies that are in response to policies and regulations.
1.8.1.2 - The communications function shall include the capability to send information and rates needed to implement management and control strategies that respond to changing environments, conditions, and policy needs to include, but not limited to, the following locations of action:
1.8.1.2(e) - Toll facilities.
1.8.1.2(f) - Travel (and traveler) information facilities.
1.8.1.3 - TDM shall provide the capability to receive information and rates needed to implement management and control strategies that respond to changing environments, conditions, and policy needs to include, but not limited to, the following locations of action:
1.8.1.3(e) - Toll facilities.
1.8.1.3(f) - Travel (and traveler) information facilities.
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:
1.8.1.5 - The communications function shall provide the capability to receive information and data from transportation operators and/or users that delineate their:
1.8.1.5(a) - Current status.
1.8.1.5(c) - Level of activity.
1.8.2 - TDM shall include a processing function.
1.8.2.1 - The processing function shall provide the capability to generate management and control strategies that facilitate the implementation of policies and regulations designed to address the following:
1.8.2.1(a) - Vehicle trip reduction.
1.8.2.2 - The processing function shall provide capabilities to enhance the ability to implement and enforce the following:
1.8.2.3 - Strategies developed by the processing function shall include the guidance for the operation of physical systems that:
1.8.2.4 - The processing function shall provide the capability generate guidance for the pricing and control for locations of action that include, but are not limited to, the following:
1.8.2.4(f) - Travel information facilities.
1.8.2.5 - The processing function shall provide the capability to develop strategies for implementation of policies and regulations that will accommodate the following:
1.8.2.5(a) - Public sector users and service providers.
1.8.2.5(b) - Private sector users and service providers.
1.8.2.5(c) - Issues of legality.
1.8.2.5(d) - Privacy act.
1.8.2.5(e) - Multi-jurisdictional settings.
1.8.2.6 - The processing function shall provide the capability to generate management and control strategies that dynamically respond to changing environments, conditions, and policies.
1.8.2.7 - The processing function's dynamically generated management and control strategies shall include the control of HOV facilities including, but not limited to, the following:
1.8.2.7(a) - Lanes.
1.8.2.7(b) - Ramps.
1.8.2.7(c) - Parking areas.
1.8.2.8 - The processing function's generation of management and control strategies for HOV facilities shall include as factors, but not be limited to, the following:
1.8.2.8(a) - Auto occupancy requirements.
1.8.2.9 - The processing function's dynamically generated management and control strategies shall include those roadway pricings that respond to the need for congestion control to include, but not be limited to, the following:
1.8.2.9(a) - Road user and toll rates.
1.8.2.9(b) - Transit fares adjusted concomitant with tolls.
1.8.2.9(c) - Time of day usage pricing (i.e. off hour rates).
1.8.2.10 - The processing function's dynamically generated management and control strategies shall include the parking management and controls to include, but not be limited to, the following:
1.8.2.11 - The processing function's dynamically generated management and control strategies for parking management and controls shall be based on factors that include, but are not limited to, the following:
1.8.2.12 - The processing function's dynamically generated management and control strategies shall include the capability to respond to the need for control of pollution by generating messages for variable signs that include, but are not limited to, the following:
1.8.2.13 - The processing function's dynamically generated management and control strategies for air pollution control shall be based on factors that include, but are not limited to, the following:
1.8.2.14 - The processing function's dynamically generated management and control strategies shall include the capability to respond to the need for the travelers to change modes by generating messages for variable signs that include, but are not limited to, the following:
1.8.3 - TDM shall include a sensors/control function.
3.0 - ELECTRONIC PAYMENT
3.1 - ELECTRONIC PAYMENT SERVICES
3.1.0 - ITS shall include an Electronic Payment capability. Electronic Payment Services allows travelers to pay for transportation services by electronic means. Four functions are provided, which are, (1) Electronic Toll Collection, (2) Electronic Fare Collection, (3) Electronic Parking Payment, and (4) Electronic Payment Services Integration.
3.1.5 - ITS shall provide a Roadway Pricing (RP) capability.
3.1.5.1 - RP shall provide the capability to implement various road pricing policies.
3.1.5.1.1 - Road pricing policies capable of being implemented by RP shall include variable pricing.
3.1.5.2 - RP shall provide the capability to implement roadway pricing strategies, developed by other services, that alleviate congestion.
3.1.5.3 - RP shall provide the capability to implement roadway pricing, developed by other services, that can be used to influence mode selection.
5.0 - EMERGENCY MANAGEMENT
5.2 - EMERGENCY VEHICLE MANAGEMENT
5.2.3 - EVM Service shall include a Signal Priority System.
5.2.3.1 - Signal Priority System shall maintain real-time information on signal timing, emergency vehicle locations and emergency vehicle routing.
5.2.3.2 - Signal Priority System shall determine signal prioritize timing sequences for relevant signals.
7.0 - INFORMATION MANAGEMENT
7.1 - ARCHIVED DATA FUNCTION
7.1.0 - ITS shall provide an Archived Data Function to control the archiving and distribution of ITS data. The Archived Data User Service provides the Historical Data Archive Repositories and controls the archiving functionality for all ITS data with five major functions: 1) the Operational Data Control function to manage operations data integrity; 2) the Data Import and Verification function to acquire historical data from the Operational Data Control function; 3) the Automatic Data Historical Archive function for permanently archiving the data; 4) the Data Warehouse Distribution function, which integrates the planning, safety, operations, and research communities into ITS and processes data products for these communities; and 5) the ITS Community Interface which provides the ITS common interface to all ITS users for data products specification and retrieval. ADUS helps achieve the ITS information goal of unambiguous interchange and reuse of data and information throughout all functional areas.
7.1.3 - The Archived Data Function shall include a Data Import and Verification (DIV) function to acquire historical data from the Operational Data Control function.
7.1.3.1 - DIV shall be capable of importing selected ITS Operational data from the ITS Operational Repositories.
7.1.3.1.9 - DIV shall be capable of importing data on ITS Physical Characteristics of Transportation Infrastructure to include:
7.1.3.1.9(a) - Roadway network attributes.

Last updated: 04-25-05