By Keith Laing - 04/15/11 09:38 PM EDT
NTSB said the company had received a "satisfactory" safety compliance rating from the Federal Motor Coach Safety Administration in September 2008.
The Senate Commerce, Science, and Transportation Committee's Surface Transportation subcommittee held hearings about increasing bus safety last month. Sens. Kay Bailey Hutchison (R-Texas) and Sherrod Brown (D-Ohio) have co-sponsored a bill to require seatbelts on buses.