Webauthorities are investigating after two people were killed by passing trains on the caltrain tracks in separate incidents thursday. Webburlingame — caltrain said one of its trains hit a vehicle in burlingame early wednesday evening, bringing the transit service to a halt. The nb409 clipped a. Weba new electric caltrain hit and killed a teenager in menlo park last night. The collision occurred north of the menlo park depot, at 9:03 p. m. , involving southbound train. Web(kron) — two people were fatally struck by caltrain trains in separate incidents…