A Pennsylvania bus company involved in a crash that killed the driver and a passenger in New Jersey has been taken off the road by federal transportation officials.

The U.S. Department of Transportation announced Wednesday that the Federal Motor Carrier Safety Administration has taken away permission for Super Luxury Tours Inc. to operate.

Speaking at a U.S. Senate hearing in Washington earlier Wednesday, New Jersey Democrat Frank Lautenberg said Super Luxury's safety record is in the bottom 1 percent of motor coach companies.

A bus operated by the Wilkes-Barre, Pa., company crashed on the New Jersey Turnpike as it traveled from New York City's Chinatown to Philadelphia on March 14, killing the 50-year-old driver and a passenger and injuring several other passengers.

Evidence suggests the bus was southbound on the turnpike near Interchange 9 in East Brunswick when the vehicle went off the road onto the grassy median before striking a concrete overpass support. The cause of the crash remains under investigation, and authorities have not ruled out the possibility that the driver may have been affected by a medical issue.