This research develops a framework to estimate the effective sample size of Global Positioning System (GPS) based panel surveys in urban travel behavior studies for a variety of planning purposes. Recent advances in GPS monitoring technologies have made it possible to implement panel surveys...

Transportation and land use research of the past decade has focused in large part on the question of whether manipulating land uses in the direction of “smart growth” alternatives can reduce vehicle miles traveled (VMT) or otherwise improve travel behavior. Yet the notion of...

Over the last few decades there has been a great increase in the number of cars in the United States. Given the importance of vehicle ownership on both transport and land-use planning and its relationship with energy consumption, the environment and health, the growth in the number of vehicles...