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MIT1_201JF08_lec26

MIT1_201JF08_lec26 - Final Lecture Intelligent...

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Final Lecture Intelligent Transportation Systems (ITS) and the Impact of Traveler Information & Emerging Themes in Transportation Economics and Policy Moshe Ben-Akiva 1.201 / 11.545 / ESD.210 Transportation Systems Analysis: Demand & Economics Fall 2008 Outline: ITS Introduction to ITS and its applications Dynamic traffic management The impact of traveler information Modeling and simulation for dynamic traffic management DynaMIT – Travel behavior models – Data and calibration Evaluating the impact of traveler information Appendices: Examples, Case Studies Useful reference on ITS: http://www.itsoverview.its.dot.gov/ 2
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Introduction Intelligent Transportation Systems (ITS) combine advances in information systems, communications, sensors, and advanced modeling and algorithms to improve the performance of surface transportation. 3 Benefits of ITS Travel – Decreased travel time – Improved safety and security – Increased reliability – Decreased cost – Improved trip planning – Improved emergency response 4
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Benefits of ITS (cont.) Economic – Increased productivity – On-time delivery Environmental – Decreased air pollution – Fuel savings 5 ITS Applications Advanced Transportation Management Systems (ATMS) – Network management, including incident management, traffic light control , electronic toll collection, congestion prediction, and congestion-ameliorating strategies. Advanced Traveler Information Systems (ATIS) – Information provided to travelers pre-trip and during the trip in the vehicle. Advanced Vehicle Control Systems (AVCS) – Technologies that enhance driver control and vehicle safety. 6
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ITS Applications (cont.) Commercial Vehicle Operations (CVO) – Technologies that enhance commercial fleet productivity, including weight-in-motion (WIM), pre-clearance procedures, electronic log books, interstate coordination. Advanced Public Transportation Systems (APTS) – Passenger information and technologies to enhance system operations, including fare collection, intramodal and intermodal transfers, scheduling, and headway control. Advanced Rural Transportation Systems (ARTS) – Mostly safety and security technologies for travel in sparsely-settled areas. Reference: Sussman, Joseph M., Introduction to Transportation Systems , Artech House, 2000. 7 ITS Applications (cont.) This lecture will focus on dynamic traffic management , which integrates ATMS (network management) and ATIS (traveler information) applications. 8
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Dynamic Traffic Management 9 Traffic Management Center Surveillance Control Information Traffic Conditions Supply Travel Demand Information Loop Control Loop Impact of Traveler Information Provide information to road users before and during a trip (through in-vehicle technologies) Public transport users can also benefit from information provided through: – Vehicle location systems – Scheduling systems (e.g. online journey planners) Freight operators can use Commercial Vehicle Operations
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  • Fall '08
  • MosheBen-Akiva
  • transportation systems, Congestion pricing, Intelligent transportation system, Traffic congestion, traveler information

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