The driver of the car was sent on a divers awareness course. PC Paul Brewer of the Roads Policing Unit said: 'This incident highlights how the impact of drugs in the system can impair your decision making process. 'Drugs have a detrimental impact on your ability to judge time and distance and this collision could potentially have been avoided if this was not a factor. The footage captured Dodson being thrown into the air in the crash in Swindon last year Dodson, 27, was left with a broken pelvis and left arm following the crash Dodson was founds to be over the drug driving limit, and had herbal cannabis in his backpack