DRAFT Sacramento Regional ITS Architecture


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Equipment Package: Roadway Emissions Monitoring

Description: This equipment package monitors emissions and general air quality and communicates the collected information back to the emissions management subsystem where it can be monitored, analyzed, and used. This equipment package supports point monitoring of individual vehicle emissions as well as general monitoring of standard air quality measures.
Included In: Caltrans Roadside Equipment
City of Roseville Roadside Equipment
City of West Sacramento Roadside Equipment
County Roadside Equipment
Municipal Field Equipment
Sacramento County Roadside Equipment
Sacramento International Airport Roadside Equipment
Yuba City Field Equipment
Processes: 1.2.7.9 - Process Roadway Information Data
1.5.5 - Process Vehicle Pollution Data
1.5.6 - Detect Roadside Pollution Levels
User Service Requirements: 1.0 - TRAVEL AND TRAFFIC MANAGEMENT
1.5 - TRAVELER SERVICES INFORMATION
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
1.6.3 - 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.
1.6.3.4 - Device Control shall communicate control data to the following devices.
1.6.3.4(c) - Information signs.
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.
1.8.1.4 - 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(b) - Individual vehicle monitoring.
1.8.1.4(d) - Usage data.
1.8.2 - TDM shall include a processing function.
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:
1.8.2.13(b) - Individual vehicle monitoring.
1.8.3 - TDM shall include a sensors/control function.
1.8.3.1 - The sensors/control function shall provide the capability to gather information needed for the generation of management and control strategies to include, but not be limited to the, following:
1.8.3.1(d) - Vehicle pollution levels.
1.9 - EMISSIONS TESTING AND MITIGATION
1.9.0 - ITS shall include an Emission Testing and Mitigation (ETAM) Function. The ETAM function will provide state and local governments with the capability to enhance their air quality control strategies. The ETAM will provide both wide area and roadside emissions monitoring. Information gleaned from ETAM will be used by Traffic Demand Management (TDM) in the Traffic Management Center (TMC) to mitigate pollution and may be provided to enforcement agencies to compel offenders to comply with standards.
1.9.1 - ETAM shall include a Wide Area Pollution Monitoring (WAPM) capability.
1.9.1.1 - WAPM shall support air quality control strategies by assessing the level of emission of ozone precursors in all sectors of the area.
1.9.1.1.1 - WAPM shall be capable of detecting the level of emission of ozone precursors with a high degree of accuracy.
1.9.1.1.2 - WAPM shall be capable of determining those sectors, within its monitored area, whose emissions exceed the emission standard.
1.9.1.1.3 - WAPM shall be capable of automatic self-calibration.
1.9.1.2 - WAPM shall be capable of providing air quality statistical data to the TMC.
1.9.1.2.1 - WAPM shall be capable of providing the air quality data on the monitored values of pollution.
1.9.1.2.2 - WAPM shall be capable of providing the necessary data on emission standards violators for enforcement of air quality standards.
1.9.2 - ETAM shall include roadside pollution assessment (RPA) capabilities.
1.9.2.1 - RPA shall be capable of detecting the level of emission of ozone precursors with a high degree of accuracy.
1.9.2.1.1 - RPA shall be capable of detecting moving vehicles, within its monitored area, whose emissions violate the emission standard.
1.9.2.1.2 - RPA shall be capable of automatic self-calibration.
1.9.2.1.4 - RPA shall be capable of determining suspected vehicle's registration data either by license plate or via automatic vehicle identification.
1.9.2.1.5 - RPA shall be capable of determining which suspected vehicles are not in compliance with emission standards for that vehicle from the vehicle's registration data.
1.9.2.2 - RPA shall be capable of providing air quality statistical data to the TMC.
1.9.2.2.1 - RPA shall be capable of providing the air quality data on the monitored values of pollution.
1.9.2.2.2 - RPA shall be capable of providing the necessary data to alert non-complaint vehicle drivers of their violation via roadside message signs or in-vehicle devices.
1.9.2.2.3 - RPA shall be capable of providing the necessary data on violating vehicles for enforcement of air quality standards.
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.
5.1.3.5 - RSEM shall include a Physical Security System (PSS) function.
5.1.3.5.4 - PSS shall warn travelers of impending security system deployment via local information systems.
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.
8.0 - MAINTENANCE AND CONSTRUCTION MANAGEMENT
8.1 - MAINTENANCE AND CONSTRUCTION OPERATIONS
8.1.3 - Maintenance and Construction Operations shall provide a Work Zone Management and Safety (WZMS) function, which provides support for the effectiveness, safety, and efficiency of roadway operations during all work zone activities. This function includes interactions among Traffic Managers, Supervisors, Dispatchers, Field Crews, Construction Crews, Public Safety Organizations, Information Service Providers, and Travelers.
8.1.3.1 - WZMS shall monitor, control, and direct activity in the vicinity of work zones.
8.1.3.1.1 - WZMS shall provide information about work zones, including but not limited to:
8.1.3.1.1(a) - Anticipated delays
8.1.3.1.1(b) - Alternate routes
8.1.3.1.1(c) - Suggested speed limit
8.1.3.3 - WZMS shall provide systems that communicate reliable, accurate, and timely traveler information, including but not limited to:
8.1.3.3(a) - Location, including lane closure information
8.1.3.3(b) - Alternate route / detour
8.1.3.3(c) - Work zone speed limit
8.1.3.3(d) - Delay

Last updated: 04-29-05