Brandon deWilde was driving a Ford Camper van, not a motorcycle, when he skidded on a rain slicked road in Denver and crashed through a guard rail and into a flatbed truck truck. Though he had indeed been appearing in a play in Denver, he was not on his way to theatre when the fatal accident happenend but going to visit his wife who was hospitalized at Denver General HospitalThese are well known facts and easy to check:
http://www.rememberingbrandon.net/upload/PDF%20File-Brandon%20deWilde%20Death%20Articles.pdf