Updated

Federal officials say a tour bus company whose operating authority was revoked this week after a fatal accident has tried to stay in business by using other names and repainting its buses.

The Transportation Department said Friday that it had issued a cease-and-desist order against Sky Express Inc. of Charlotte, N.C., after finding the company was trying to sell tickets under the names 108 Tours and 108 Bus.

The department also said it had subpoenaed records of three websites that have sold tickets for Sky Express and other bus companies.

A Sky Express bus traveling from North Carolina to New York ran off Interstate 95 north of Richmond, Va., on Tuesday. Four passengers were killed and dozens injured. Transportation officials immediately ordered the company to shut down.