NEMA NTCIP 1207:2001
NEMA NTCIP 1207:2001 Object Definitions For Ramp Meter Control (rmc) Units Establishes limits and descriptions of the parameters which give users maximum flexibility to operate devices that exist now or in the future.
Table of Contents
Section1INTRODUCTION1.1Scope
1.2References
1.1.1NormativeReferences
1.1.2OtherReferences
1.3ContactInformation
1.3.1ISO/IECStandards
1.3.2RFCDocuments
1.4Definitions
1.5TermsandAbbreviations
1.6SupplementalFigures
Section2GENERAL
2.1Introduction
2.2BenefitsofStandardization
2.3ExistingStandards
2.3.1InternetStandards
2.3.2InternationalStandardsOrganizationStandards
2.3.3NTCIP
2.4NTCIPSystemDesign
Section3RMCOBJECTDEFINITIONS
3.1RampMeterControl(RMC)MIBHeaderInformation
3.2RMCGeneralConfigurationNode
3.2.1CommunicationRefreshThreshold
3.2.2CalculationInterval
3.3MainlineLaneConfiguration,ControlandStatusNode
3.3.1AveragingPeriods
3.3.2MaximumNumberofMainlineLanes
3.3.3NumberofMainlineLanes
3.3.4MainlineLaneConfigurationandControlTable
3.3.5AverageMainlineStationFlowRate
3.3.6AverageMainlineStationOccupancy
3.3.7AverageMainlineStationSpeed
3.3.8MainlineLaneStatusTable
3.4MeteredLaneConfiguration,ControlandStatusNode
3.4.1MeteredLaneMainConfigurationNode
3.4.2MeteredLaneDependencyGroupConfiguration,
ControlandStatusNode
3.4.3QueueDetectorConfiguration,ControlandStatus
node
3.4.4MeteredLanePassageDetectorConfiguration,
ControlandStatusnode
3.5MeteringPlanNode
3.5.1MaximumNumberofMeteringPlans
3.5.2NumberofMeteringPlans
3.5.3MaximumNumberofLevelsperMeteringPlan
3.5.4NumberofMeteringLevels
3.5.5MeteringPlanTable
3.6SchedulingActionObjects
3.6.1MaximumNumberofTBCActions
3.6.2NumberofTBCActions
3.6.3TimebaseControlActionTable
3.6.4MaximumNumberofMeteredLaneTBCActions
3.6.5MeteredLaneTBCActions
3.6.6MeteredLaneTimebaseControlActionTable
3.6.7MaximumNumberofMainlineTBCActions
3.6.8MainlineTBCActions
3.6.9MainlineTimebaseControlActionTable
3.7PhysicalInput/OutputObjects
3.7.1AdvancedWarningSignOutputNumber
3.7.2MainlineLanePhysicalInputTable
Section4CONFORMANCEGROUPDEFINITIONS
4.1GeneralConfigurationConformanceGroup
4.2TrafficResponsiveConformanceGroup
4.2.1MainlineLaneConformanceGroup
4.2.2MeteringPlanConformanceGroup
4.3MeteredLaneConformanceGroups
4.3.1MeteredLaneMainConformanceGroup
4.3.2DependencyGroupConformanceGroup
4.3.3QueueDetectionConformanceGroup
4.3.4PassageDetectionConformanceGroup
4.4SchedulingConformancegroup
4.4.1MeteredLaneSchedulingConformanceGroup
4.4.2MainlineSchedulingConformanceGroup
4.5PhysicalInput/OutputConformanceGroup
4.5.1MeteredLaneOutputConformanceGroup
4.5.2DependencyGroupOutputConformanceGroup
Section5CONFORMANCESTATEMENTS
AnnexARAMPMETERCONTROLUNITOPERATIONSDESCRIPTION
A.1General
A.2Detectors
A.2.1MainlineDetectorStation
A.2.2MeteredLanes
A.2.3DependencyGroup
A.3CommandSourcePriority
A.3.1ActionTable
A.4CalculationofMainlineTrafficParameters
A.5StartingMetering
A.5.1FixedRate
A.5.2TrafficResponsive
A.6StoppingMetering
A.6.1DarkorRest-in-Green
A.6.2TrafficResponsive
A.6.3EmergencyGreen
A.7Steady-StateMetering
A.7.1MeteringPlan
A.7.2MeteringRate
A.8SignalService
A.8.1Initialization
A.8.2TransitionfromNon-MeteringstatetoMetering
state
A.8.3MeteringOperation
A.8.4StopTimingConditions
A.8.5TransitionfromMeteringstatetoNon-Metering
state
A.8.6NonMeteringOperation
A.9QueueOverride
A.9.1QueueDetection
A.9.2QueueAdjustment
A.10PhysicalOutputs
A.10.1RMCGlobal
A.10.2DependencyGroup
A.10.3MeteredLanes
A.10.4MainlineLanes
TableofFigures