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Introduction and Workshop Objectives

This workshop explores the implications of driverless cars on travel behavior and demand modeling, discussing topics such as safety enhancements, potential capacity advancements, and traveler behavior. Join industry experts for a comprehensive discussion on the future of transportation.

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Introduction and Workshop Objectives

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Presentation Transcript

  1. WORKSHOP 188: Activity-Travel Behavioral Impacts and Travel Demand Modeling Implications of Driverless Cars Introduction and Workshop Objectives Chandra R. Bhat Center for Transportation Research, The University of Texas at Austin

  2. Motivation

  3. The Context • Automated Vehicles: Vehicles that are able to guide themselves from an origin point to a destination point desired by the individual • Individual yields near-full or partial control to artificial intelligence technology • Individual decides an activity-travel plan (or tour-specific information) • The plan is keyed into the car’s intelligence system • The car (or an external entity connected to the car) decides on a routing and circuit to complete the plan • User will still retain some control (even during a single trip) • Possibility of changing her/his activity plan enroute • Individual may make more “on-the-fly” decisions regarding her/his daily activity-travel pattern

  4. Automated Vehicles and Transportation Technology Infrastructure Traveler Behavior

  5. Technology and infrastructure combination can lead to many benefits • Potential safety enhancements • Virtual elimination of driver error (primary factor in 80 percent of crashes) • Enhanced vehicle control, positioning, spacing, and speed harmonization • How about offsetting behavior on part of drivers? Need to eliminate possibility of offsetting behavior… • No drowsy drivers, impaired drivers, stressed drivers, or aggressive drivers • Reduced number of incidents and network disruptions

  6. Potential capacity enhancements • Vehicle platooning greatly increases density (reduced headways) and improves flow at transitions • Vehicle positioning (lateral control) allows reduced lane widths and utilization of shoulders; accurate mapping critical • Optimization of route choice, passage through intersections, and navigation through and around work zones • Potential energy and environmental benefits • Increased fuel efficiency and reduced pollutant emissions through vehicle operation improvement • Clean-fuel vehicles • Car-sharing provides additional benefits

  7. But Let’s Not Forget Traveler Behavior Issues!

  8. Workshop Structure • Setting the Stage • Urban Planning and Community Design Considerations in the Era of Driverless Cars • Alain Kornhauser • The Activity-Travel Behavior Impacts of Driverless Cars • Ram Pendyala and Chandra Bhat

  9. Workshop Structure • Panel Discussion • Activity-travel behavior implications • Steven Polzin • Modeling and forecasting implications • Joan Walker • Cohort effects and connected systems • Hani Mahmassani • Modeling at the frontier of technology and activity-travel behavior • Billy Charlton • Audience participation

  10. Workshop Structure • The Path Forward; Moderator: Charlie Howard • Likely deployment paths and considerations • Todd Litman • Pilot studies and experimentation • Shannon Crum • What will policy leaders be looking for from travel models • Jane Hayse • Planning implications of driverless cars • Bob Hazlett • Audience participation

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