NEW YORK - (AP) - The driver of a tour bus sliced end-to-end by a pole in New York City a horrific March crash that killed 15 people returning from a gambling trip has pleaded not guilty to manslaughter charges.

Ophadell Williams was indicted Thursday in Bronx State SupremeCourt.

The World Wide Travel bus ran off Interstate 95 at daybreak onMarch 12 as it was returning to Manhattan's Chinatown from anovernight trip to the Mohegan Sun casino in Uncasville, Conn. Thecrash killed 15 people, mostly Chinese immigrants, and injureddozens more.

Williams has maintained he was alert and awake, and that thecrash was touched off when the bus was clipped by atractor-trailer.