TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2135 includes 19 papers that explore ego-centered social networks, investigation of whether value of travel time increases as travel time increases, continuous choice model of timing and duration of joint activities, dual-response choices in pivoted stated choice experiments, variation in value of travel time under different freeway driving conditions, week-to-week leisure trip frequency and its variability, perception of waiting time at signalized intersections, formulation of an activity-based utility measure of time use, the relationship between work and travel behavior on weekdays, and the impact of neighborhood trail development on active travel behavior of suburban residents.

This issue of the TRR also examines location choice modeling for shopping and leisure activities with MATSim; implementation of scheduling conflict resolution model in activity-scheduling system; structural equations model of land use patterns, location choice, and travel behavior; using deliberative methods to understand travel choices in context of climate change; built environment or household life-cycle stages for explaining sustainable travel; travel behavior of largest minority cohorts in Texas; simultaneous model for household interactions in daily activity, information and communication, and social behavior; telecommuting as a component of commute trip reduction program; and e-shopping, spatial attributes, and personal travel.