A 22-year old rear ended a tractor trailer parked along the highway yesterday in Danbury leading to those massive ties up on both sides of Interstate 84 that lasted through the morning commute. State Police say Luis Ramirez-gamez of Danbury was headed eastbound by exit 8 around 5:30 yesterday morning. The truck was parked at the end of the on ramp, partially in the shoulder of the road. Ramirez-gamez had to be extricated from the vehicle and was transported to Danbury Hospital for treatment of suspected serious injuries. The accident remains under investigation.