Traffic Control and Surveillance System (TCSS ...

1 14 January 2011Ir R Choi1 Traffic Control and Surveillance System ( tcss )Infrastructure, challenges and TrendsIr Roman Choi14 January 2010 HKIE Technical Seminar14 January 2011Ir R Choi2 Traffic Control and Surveillance SystemWHAT14 January 2011Ir R Choi3 SystemControl and SurveillanceTrafficTrafficControl and SurveillanceSystemTraffic Control and Surveillance SystemWHATC entralizedIntegratedComputerizedFreewayD esign & Implement14 January 2011Ir R Choi4 Traffic Control and Surveillance SystemOBJECTIVES14 January 2011Ir R Choi5 Traveling timeRoad SafetyCongestionsAccidentsFuel consumptionAir

2 PollutionTraffic MobilityRoad CapacityAccident Response TimeInformationTraffic Control and Surveillance SystemOBJECTIVES14 January 2011Ir R Choi6 Traffic Control and Surveillance SystemHOW14 January 2011Ir R Choi7 Surveillance Lane Management Traffic Information Dissemination Tunnel Management Bridge Management Centralized Traffic Monitoring Speed EnforcementTraffic Control and Surveillance SystemHOW14 January 2011Ir R Choi8 Surveillance CCTV System Overheight Vehicle Detection System Vehicle Detection System and Automatic Incident Detection System Emergency Telephone System Lane Management Traffic Information Dissemination Tunnel Management Bridge Management Centralized Traffic Monitoring Speed EnforcementTraffic Control and Surveillance SystemHOW14 January 2011Ir R Choi9 Surveillance Lane Management Lane Use Signal Traffic Plans Traffic Information Dissemination Tunnel Management Bridge Management Centralized Traffic Monitoring Speed EnforcementTraffic Control and Surveillance SystemHOW14 January

3 2011Ir R Choi10 Surveillance Lane Management Traffic Information Dissemination Variable Speed Limit Sign Prismatic Sign Fully Variable Message Sign Radio Re-broadcast System and Public Address System Tunnel Management Bridge Management Centralized Traffic Monitoring Speed EnforcementTraffic Control and Surveillance SystemHOW14 January 2011Ir R Choi11 Surveillance Lane Management Traffic Information Dissemination Tunnel Management 15 Tunnels with tcss 100% Surveillance Coverage Contra-Flow Operation Environmental Monitoring System (NO2, CO, Visibility) Bridge Management Centralized Traffic Monitoring Speed EnforcementTraffic Control and Surveillance SystemHOW14 January 2011Ir R Choi12 Surveillance Lane Management Traffic Information Dissemination Tunnel Management Bridge Management Tsing Ma Bridge & Kap Shui Mun Bridge firstly opened in 1997 Weather Management (Wind and Visibility)

4 Centralized Traffic Monitoring Speed EnforcementTraffic Control and Surveillance SystemHOW14 January 2011Ir R Choi13 Surveillance Lane Management Traffic Information Dissemination Tunnel Management Bridge Management Centralized Traffic Monitoring Traffic Management and Information Centre (TMIC) ETCC in Transport Department ETCC in Police and Highway Department Speed EnforcementTraffic Control and Surveillance SystemHOW14 January 2011Ir R Choi14 Surveillance Lane Management Traffic Information Dissemination Tunnel Management Bridge Management Centralized Traffic Monitoring Speed Enforcement By Police By MOM Operator Future integrate into TCSST raffic Control and Surveillance SystemHOW14 January 2011Ir R Choi15 Traffic Control and Surveillance SystemWHO14 January 2011Ir R Choi16 GovernmentPlanning

5 New routeGovernment + tcss ConsultantControl & Mangement ConceptsTCSS Consultant + tcss ContractorDesign & ConstructionTCSS Contractor +MOM ContractorOperation & MaintenanceTraffic Control and Surveillance SystemWHO14 January 2011Ir R Choi17 Traffic Control and Surveillance SystemWHERE and WHEN14 January 2011Ir R Choi18 [1989] Eastern Harbour Crossing [1990] Shing Mun Tunnel [1991] Tate s Cairn Tunnel [1997] Lantau Fixed Crossing and Route 3 [1997] Western Harbour Crossing [1998] Tai Lam Tunnel and Route 3 (Country Park)

6 [2001] Kai Tak Tunnel [2002] Tseung Kwan O Tunnel [2002] Tsing Yi North Costal Road [2003] Aberdeen Tunnel [2007] Deep Bay Link [2007] Lion Rock Tunnel [2008,2010] Route 8 [2010] Cross Harbour Tunnel14 January 2011Ir R Choi19 Traffic Control and Surveillance SystemENGINEERING14 January 2011Ir R Choi20 TransmissionData NetworkPublic AddressSystemRadioCommsEmergencyTelephon eCCTVE nvironmentalMonitoringLane Control DeviceTransmissionData NetworkSpeedEnforcementDetectionSystemFa ll BackControlOperationFacilitiesTCSSC entralSoftwareExternal InterfaceInformationSignage14 January 2011Ir R Choi21 TransmissionData NetworkPublic AddressSystemRadioCommsCCTVLane Control DeviceTransmissionData

7 NetworkDetectionSystem(OHV Detector)TCSSC entralSoftwareInformationSignageExample: Overheight VehicleOperationFacilitiesAlarm14 January 2011Ir R Choi22 TransmissionData NetworkCCTVLane Control DeviceTransmissionData NetworkDetectionSystem(Vehicle Detector)TCSSC entralSoftwareAIDE xample: CongestionAlarmOperationFacilitiesExtern al InterfaceInformationSignage14 January 2011Ir R Choi23 TransmissionData NetworkPublic AddressSystemRadioCommsEmergencyTelephon eCCTVE nvironmentalMonitoringLane Control DeviceTransmissionData NetworkSpeedEnforcementDetectionSystemFa ll BackControlOperationFacilitiesTCSSC entralSoftwareExternal InterfaceInformationSignageExample.

8 Central Software Failure14 January 2011Ir R Choi24 Traffic Control and Surveillance SystemCCTV SurveillanceDevelopmentAnalogue System Digital SystemTape Recording HDD RecordingIndividual Network Integrated NetworkLocal Surveillance Pubic BroadcastLimited monitoring points Multiple monitoring pointsOperation Concern Public Concern (Privacy Zone)14 January 2011Ir R Choi25 Traffic Control and Surveillance SystemCCTV SurveillanceFuture Less Data Rate but Higher video quality Larger System size Rely more on Video Analytic and Auto-Detection Less Operator Patrol Video repeat to Public (TV, Internet, Mobile Phone)

9 14 January 2011Ir R Choi26 Traffic Control and Surveillance SystemVehicle Detection and Automatic Incident DetectionDevelopmentPavement Invasive Detector Non-Pavement Invasive DetectorRadio Frequency Detector Video Imaging DetectorDetection rely on single detector System -wide detectorsDetection based on variables intelligent algorithmsConstant logic Adaptive Logic14 January 2011Ir R Choi27 Traffic Control and Surveillance SystemVehicle Detection and Automatic Incident DetectionFuture Integrate with CCTV System , share camera Integrate with JTIS Traffic Condition for General Pubic14 January 2011Ir R Choi28 Traffic Control and Surveillance SystemLane Use Signal and Info SignageDevelopmentLight Source.

10 Halogen LEDR outine Maintenance Maintenance FreeProprietary Protocol Standard Protocol14 January 2011Ir R Choi29 Traffic Control and Surveillance SystemLane Use Signal and Info SignageFuture More effective employment of LUS (educated public) Widely use of Fully Variable Message Sign Introduce new kinds of signs (eg. Speed Map) More ad-hoc informative message Quantity of signs increases14 January 2011Ir R Choi30 Copper Fibre OpticPurely wired communication Accept wireless communicationIndividual Network Integrated TrasmissionLow Bandwidth High BandwidthSerial Data Transmission Ethernet TransmissionProprietary Protocol Open Protocol / Standard ProtocolTraffic Control and Surveillance SystemTransmission Data NetworkDevelopment14 January 2011Ir R Choi31 Traffic Control and Surveillance SystemTransmission Data NetworkFuture