And another Transdev bus driver pleaded guilty to misdemeanor vehicular manslaughter after the bus she was driving struck and killed a man in Las Vegas in 2023. DOT failed in its responsibility to hold unsafe truck and bus companies accountable,” Markey said. “That’s why Sen. Cantwell and I are demanding answers from Trump’s DOT about its lack of oversight of truck and bus companies with dangerous, alarming, and unknown track records.” DOT failed in its responsibility to hold unsafe truck and bus companies accountable.” On July 17, Boston City Councilor Erin Murphy sent a written request to the state’s schools regulator for an independent review of Boston Public Schools’ transportation safety.