This record includes 14 papers that explore the effect of the built environment on motorized and nonmotorized trip making, travel time information influence on network flow, multitasking and the value of travel time savings, revealed parking choices and the value of time, multimodality, process model of voluntary travel behavior modification, and behavioral impacts of the New Jersey Turnpike time-of-day pricing initiative. This issue of the TRR also examines modeling the timing of user responses to a new urban public transport service; automobiles, trips, and neighborhood type; impact of carpooling on trip-chaining behavior and emission reductions; willingness to pay for parking at suburban malls;impact of reduced parking standards on parking supply; telecommuting; and transportation and communications - substitutes, complements, or neither.