A tractor-trailer crashed across both sides of Interstate 95 in Baltimore County this morning, causing extended delays in both directions. According to officials, the accident happened on southbound I-95 right past the Mountain Road exit 74 and involved six vehicles, including the tractor-trailer. Delays are expected to be 6 miles in each direction.The driver of the tractor trailer and one of the other vehicles were taken to an area hospital for treatment of their injuires.A hazmat team has been called to the scene due to leaking fuel coming from the tractor-trailer. The cause of the crash is under investigation.This story will be updated.