Driver Doug is a 29 year resident of the city by the bay, and has been a transit operator for the San Francisco Municipal Railway for almost 20 years. His current run is on the 21 Hayes trolleybus line from the Ferry Plaza to Golden Gate Park. His interests include photography and writing, and this latest essay, The Trolleybus of Happy Destiny, is a composition including anecdotes and photo illustrations from his experience behind the wheel of a city transit bus.