 about the same time two vehicles collided while merging from two lanes at the park's west entrance then just after 5 30 the third accident happened along lake mcdonald when a 70 year old texas man fell asleep and drove off the road and hit a tree causing his vehicle to catch on fire the driver and his female passenger escaped the vehicle the fire left a 20 by 20 yard burn scar and destroyed the car the going to the sun road was closed for nearly three hours