On this Episode, we travel to the University of California Davis to learn what makes people walk. Then we see how a walkability assessment can spark community action. Finally, we find out what surfaces work best for crutch and wheelchair users. Stay tuned. We’re at the University of California Davis, talking with Susan Handy, who is a professor of environmental science and policy. What other positions do you hold I am also the director of our Sustainable Transportation Center here at UC Davis. And what does the center do.