Jose Ornelas bikes each day from his home in La Mesa to his job at Caltrans in Old Town. He brought his 11-year-old son Peter to work with him so he could share the benefits of commuting by bike. (Photo)

Photo by Megan Burks / KPBS

Above: Jose Ornelas bikes each day from his home in La Mesa to his job at Caltrans in Old Town. He brought his 11-year-old son Peter to work with him so he could share the benefits of commuting by bike.