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NEMA TS 40009-2023 Advanced Traffic Performance Measures for Intelligent Transportation Systems (ITS), 2023
- Section 1 General [Informative] [Go to Page]
- 1.1 Scope
- 1.2 References
- 1.3 Terms and Abbreviations
- Section 2 Concept of Operations [Normative] [Go to Page]
- 2.1 Tutorial [Informative]
- 2.2 Current Situation and Problem Statement [Informative] [Go to Page]
- 2.2.1 Reference Physical Architecture [Informative]
- 2.3 Architectural Needs [Go to Page]
- 2.3.1 Time Period
- 2.3.2 Detector Identification
- 2.3.3 ATSPM Characteristics—Data Access
- 2.3.4 ATSPM Characteristics—Data Format and Schema
- 2.3.5 ATSPM Characteristics—Data Access
- 2.4 User Needs [Go to Page]
- 2.4.1 Fundamental User Needs
- 2.4.2 Operational Needs
- 2.4.2.1 Data to Support the Equalization of Signal Timing Plans and/or Alternative Modes of Operation
- 2.4.3 Monitoring Needs
- 2.4.3.1 Data Retrieval Using Industry-Standard Communications Techniques
- 2.4.3.2 Provide Data Needed to Access Usage of a Roadway Network or Subnetwork (Vehicle Miles Traveled)
- 2.4.3.3 Provide Data Needed for Widely Used Air Quality and Pollution Models
- 2.4.4 Traffic System Optimization Metrics
- 2.4.4.1 Evaluate Progression Performance
- 2.4.4.2 Evaluate Signal Compliance and Dilemma Zone Issues
- 2.4.5 Raw Input Data
- 2.4.6 Support Data Collection of Metrics for Specific ATSPMs
- 2.5 Security [Go to Page]
- 2.5.1 Configure Device Security Access for Data Reporting
- Section 3 Functional Requirements [Normative] [Go to Page]
- 3.1 Tutorial [Informative]
- 3.2 Scope of the Interface [Informative]
- 3.3 Protocol Requirements List (PRL) [Go to Page]
- 3.3.1 Notation [Informative]
- 3.3.1.1 Conformance Symbols
- 3.3.1.2 Support Column Symbols
- 3.3.2 Instructions for Completing the PRL [Informative]
- 3.3.2.1 Conformance Definition
- 3.3.3 Protocol Requirements List (PRL) Table
- 3.4 Architectural Requirements [Go to Page]
- 3.4.1 Time Period
- 3.4.2 Live Data
- 3.4.3 Historical Data
- 3.4.4 Provide for Logged Data Local Storage and Retrieval
- 3.4.5 Provide for Database Management
- 3.4.6 Condition-Based Exception Reporting
- 3.4.7 Detector Activation Metadata
- 3.4.7.1 Detector Location Data
- 3.4.7.2 Intersection Location
- 3.4.7.3 National Highway System (NHS)–Only Data
- 3.4.7.4 Detector Type Data
- 3.4.7.5 Timestamp and Resolution of Detector Activation
- 3.4.7.6 Channel
- 3.4.7.7 Placement
- 3.4.7.8 Setback
- 3.4.7.9 Number of Lanes
- 3.4.7.10 Activation Mode
- 3.4.7.11 Travel Mode
- 3.4.7.12 Detector Length
- 3.4.7.13 Phase Configuration
- 3.4.7.14 Movement Configuration
- 3.4.8 Raw Data
- 3.4.8.1 Detections (Macro Data)
- 3.4.8.2 Advance (Upstream) Detector for High-Res Signal Performance Measure Data Collection
- 3.4.8.3 Phasing for High-Res Signal Performance Measure Data Collection
- 3.5 Security Requirements
- 3.6 ATSPM-Specific Data Requirements [Go to Page]
- 3.6.1 Arrivals on Red (AoR) / Green (AoG) Data
- 3.6.1.1 Associated Calculation(s) and/or Datasets
- 3.6.1.2 Inputs, Analytics, Outputs
- 3.6.1.2.1 AoR/AoG Inputs
- 3.6.1.2.2 AoR/AoG Analytics
- 3.6.1.2.3 AoR/AoG Outputs
- 3.6.2 Purdue Coordination Diagram (PCD) Data
- 3.6.2.1 Associated Calculation(s) and/or Datasets
- 3.6.2.1.1 PCD Inputs, Analytics, Outputs
- 3.6.2.1.1.1 PCD Inputs
- 3.6.2.1.1.2 PCD Metadata
- 3.6.2.1.1.3 PCD Analytics
- 3.6.2.1.1.4 PCD Outputs
- 3.6.3 Split Failure Data
- 3.6.3.1 Associated Calculation(s) and/or Datasets
- 3.6.3.2 Split Failure Inputs, Analytics, Outputs
- 3.6.3.2.1 Split Failure Inputs
- 3.6.3.2.2 Split Failure Analytics
- 3.6.3.2.3 Split Failure Outputs
- 3.6.4 Queue Length Data
- 3.6.4.1 Associated Calculation(s) and/or Datasets
- 3.6.4.1.1 Number of Vehicles
- 3.6.4.1.2 Length of Queue in Meters
- 3.6.4.1.3 Defined Queue Is Exceeded
- 3.6.4.2 Queue Length Inputs, Analytics, Outputs
- 3.6.4.2.1 Queue Length Inputs
- 3.6.4.2.2 Queue Length Analytics
- 3.6.4.2.3 Queue Length Outputs
- 3.6.5 Split Monitoring Data
- 3.6.5.1 Associated Calculation(s) and/or Datasets
- 3.6.5.2 Split Monitoring Inputs, Analytics, Outputs
- 3.6.5.2.1 Split Monitoring Inputs
- 3.6.5.2.2 Split Monitoring Analytics
- 3.6.5.2.3 Split Monitoring Outputs
- 3.6.6 Travel Time Data
- 3.6.6.1 Detection Methods
- 3.6.6.2 WiFi
- 3.6.6.3 Bluetooth
- 3.6.6.4 C-V2X
- 3.6.6.5 Additional Sources
- 3.6.6.6 Communication Methods
- 3.6.6.7 Associated Calculation(s) and/or Datasets
- 3.6.6.8 Travel Time Inputs, Analytics, Outputs
- 3.6.6.8.1 Travel Time Inputs
- 3.6.6.8.2 Travel Time Analytics
- 3.6.6.8.3 Travel Time Outputs
- 3.6.7 Errant Calls for Service Data
- 3.6.7.1 Associated Calculation(s) and/or Datasets
- 3.6.7.2 Errant Calls for Service Inputs, Analytics, Outputs
- 3.6.7.2.1 Errant Calls for Service Inputs
- 3.6.7.2.2 Errant Calls for Service Analytics
- 3.6.7.2.3 Errant Calls for Service Outputs
- 3.6.8 Detector Failure Reporting Data
- 3.6.8.1 Associated Calculation(s) and/or Datasets
- 3.6.8.2 Detector Failure Inputs, Analytics, Outputs
- 3.6.8.2.1 Detector Failure Inputs
- 3.6.8.2.2 Detector Failure Analytics
- 3.6.8.2.3 Detector Failure Outputs
- 3.6.9 Signal Control Priority (SCP) Data
- 3.6.9.1 Associated Calculation(s) and/or Datasets
- 3.6.9.2 SCP Inputs, Analytics, Outputs
- 3.6.9.2.1 SCP Inputs
- 3.6.9.2.2 SCP Analytics
- 3.6.9.2.3 SCP Outputs
- 3.6.10 Communications Failure Data
- 3.6.10.1 Associated Calculation(s) and/or Datasets
- 3.6.10.2 Communications Failure Inputs, Analytics, Outputs
- 3.6.10.2.1 Communications Failure Inputs
- 3.6.10.2.2 Communications Failure Analytics
- 3.6.10.2.3 Communications Failure Outputs
- 3.6.11 Yellow and Red Actuations Data
- 3.6.11.1 Associated Calculation(s) and/or Datasets
- 3.6.11.2 Yellow and Red Actuation Inputs, Analytics, Outputs
- 3.6.11.2.1 Yellow and Red Actuation Inputs
- 3.6.11.2.2 Yellow and Red Actuation Analytics
- 3.6.11.2.3 Yellow and Red Actuation Outputs
- 3.6.12 Speed Data
- 3.6.12.1 Associated Calculation(s) and/or Datasets
- 3.6.12.2 Speed Inputs/Analytics/Outputs
- 3.6.12.2.1 Speed Inputs
- 3.6.12.2.2 Speed Analytics
- 3.6.12.2.3 Speed Outputs
- 3.6.13 Traffic Counts—ADT (Average Daily Traffic) per Intersection/Approach Data
- 3.6.13.1 Associated Calculation(s) and/or Datasets
- 3.6.13.2 ADT (Average Daily Traffic) Inputs/Analytics/Outputs
- 3.6.13.2.1 ADT Inputs
- 3.6.13.2.2 ADT Analytics
- 3.6.13.2.3 ADT Metadata
- 3.6.13.2.4 ADT Outputs
- 3.6.14 Traffic Counts—AADT (Average Annual Daily Traffic) per Intersection/Approach Data
- 3.6.14.1 Associated Calculation(s) and/or Datasets
- 3.6.14.2 Traffic Counts—AADT (Average Annual Daily Traffic) Inputs/Analytics/Outputs
- 3.6.14.2.1 AADT Inputs
- 3.6.14.2.2 AADT Metadata
- 3.6.14.2.3 AADT Analytics
- 3.6.14.2.4 AADT Outputs
- 3.6.15 Pedestrian Simple Delay Data
- 3.6.15.1 Associated Calculation(s) and/or Datasets
- 3.6.15.2 Pedestrian Simple Inputs/Analytics/Outputs
- 3.6.15.2.1 Pedestrian Simple Inputs
- 3.6.15.2.2 Pedestrian Simple Metadata
- 3.6.15.2.3 Pedestrian Simple Analytics
- 3.6.15.2.4 Pedestrian Simple Outputs
- 3.6.16 Bicyclist Delay Data
- 3.6.16.1 Associated Calculation(s) and/or Datasets
- 3.6.16.2 Bicyclist Delay Inputs/Analytics/Outputs
- 3.6.16.2.1 Bicyclist Delay Inputs
- 3.6.16.2.2 Bicyclist Delay Metadata
- 3.6.16.2.3 Bicyclist Delay Analytics
- 3.6.16.2.4 Bicyclist Delay Outputs
- Annex A ATSPMs for Future Consideration (Informative)
- Annex B Bibliography (Informative) [Go to Page]
