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Roadway Emissions Monitoring Equipment Package

Architecture Geographic Scope

Description:

Emissions and air quality sensors that collect vehicular emissions and area-wide air quality data.

 

Included in:

TCEQ Air Monitoring Devices

Functional Requirements:

1The field element shall include emissions sensors that detect levels of emissions from individual vehicles, under center control.
2The field element shall include air quality sensors, often distributed geographically, that detect area-wide levels of pollution, under center control.
3The field element shall analyze collected vehicle emissions data against reference data to determine whether or not a vehicle is violating the acceptable levels of emissions, and shall return this analysis to a center for possible enforcement action.
4If the emissions level detected by the emissions sensor indicates a vehicle is violating the acceptable levels of emissions, the field element shall provide the capability to display summary emissions information or warnings to passing drivers via a driver information system (such as portable messages signs, etc.).
5The field element shall provide emissions sensor equipment operational status to the center.
6The field element shall provide emissions sensor equipment fault indication to the center for repair.
7The field element shall provide area-wide pollution sensor equipment operational status to the center.
8The field element shall provide area-wide pollution sensor equipment fault indication to the center for repair.
  

User Service Requirements (fully or partially addressed):

1.0TRAVEL AND TRAFFIC MANAGEMENT
1.5TRAVELER SERVICES INFORMATION
1.5.2TSI shall include an Information Access function that allows travelers to access the available information.
1.5.2.5Information 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.
1.6TRAFFIC CONTROL
1.6.3TC shall include a Device Control function.
1.6.3.3The Device Control function shall provide the capability to exercise control over those devices utilized for traffic control.
1.6.3.3.2Device Control shall include the capability to dynamically control traffic signing.
1.6.3.4Device Control shall communicate control data to the following devices.
1.6.3.4(c)Information signs.
1.8TRAVEL DEMAND MANAGEMENT
1.8.0ITS 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.
1.8.1TDM shall include a communications function.
1.8.1.4The 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.
1.8.2TDM shall include a processing function.
1.8.2.13The 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.
1.8.3TDM shall include a sensors/control function.
1.8.3.1The 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.
1.9EMISSIONS TESTING AND MITIGATION
1.9.0ITS 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.
1.9.1ETAM shall include a Wide Area Pollution Monitoring (WAPM) capability.
1.9.1.1WAPM shall support air quality control strategies by assessing the level of emission of ozone precursors in all sectors of the area.
1.9.1.1.1WAPM shall be capable of detecting the level of emission of ozone precursors with a high degree of accuracy.
1.9.1.1.2WAPM shall be capable of determining those sectors, within its monitored area, whose emissions exceed the emission standard.
1.9.1.1.3WAPM shall be capable of automatic self-calibration.
1.9.1.2WAPM shall be capable of providing air quality statistical data to the TMC.
1.9.1.2.1WAPM shall be capable of providing the air quality data on the monitored values of pollution.
1.9.1.2.2WAPM shall be capable of providing the necessary data on emission standards violators for enforcement of air quality standards.
1.9.2ETAM shall include roadside pollution assessment (RPA) capabilities.
1.9.2.1RPA shall be capable of detecting the level of emission of ozone precursors with a high degree of accuracy.
1.9.2.1.1RPA shall be capable of detecting moving vehicles, within its monitored area, whose emissions violate the emission standard.
1.9.2.1.2RPA shall be capable of automatic self-calibration.
1.9.2.1.4RPA shall be capable of determining suspected vehicle's registration data either by license plate or via automatic vehicle identification.
1.9.2.1.5RPA shall be capable of determining which suspected vehicles are not in compliance with emission standards for that vehicle from the vehicle's registration data.
1.9.2.2RPA shall be capable of providing air quality statistical data to the TMC.
1.9.2.2.1RPA shall be capable of providing the air quality data on the monitored values of pollution.
1.9.2.2.2RPA 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.
1.9.2.2.3RPA shall be capable of providing the necessary data on violating vehicles for enforcement of air quality standards.
5.0EMERGENCY MANAGEMENT
5.1EMERGENCY NOTIFICATION AND PERSONAL SECURITY
5.1.3ENPS shall include a Remote Security and Emergency Monitoring (RSEM) function to create an environment of safety in secure areas.
5.1.3.5RSEM shall include a Physical Security System (PSS) function.
5.1.3.5.4PSS shall warn travelers of impending security system deployment via local information systems.
5.1.5ENPS shall include a Protect Sensitive Traveler Information (PSTI) function to inhibit distribution of traveler information that is deemed to be sensitive.
5.1.5.1PSTI shall notify transportation operators and information providers when access to information from ITS surveillance and sensor systems must be restricted.
5.1.5.2The PSTI notification shall identify the geographic area, time, specific devices, and/or other information necessary to determine the traveler information that must be protected.
5.1.5.3PSTI shall restrict access to traveler information for the affected area until access restrictions are removed.
5.1.5.4PSTI shall notify transportation operators and information providers when traveler information access restrictions are removed.
8.0MAINTENANCE AND CONSTRUCTION MANAGEMENT
8.1MAINTENANCE AND CONSTRUCTION OPERATIONS
8.1.3Maintenance 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.
8.1.3.1WZMS shall monitor, control, and direct activity in the vicinity of work zones.
8.1.3.1.1WZMS 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
8.1.3.3WZMS 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
  
The detailed process and user service requirement traceability information on this page was extracted from the National ITS Architecture. Consult the National ITS Architecture web site for more information.

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