The driver of the SUV was seriously injured in the crash early Friday. An SUV crashed into the side of a tractor-trailer in the parking lot of a Suffolk County 7-Eleven early Friday. The tractor-trailer was unloading a delivery to the 7-Eleven located at 120 Route 25A in Mount Sinai when the crash occurred around 2 a.m. Firefighters worked to free the SUV driver who was then transported to Stony Brook University Hospital with serious injuries via a Port Jefferson EMS ambulance. Suffolk County Police are investigating the crash.