Tracy Morgan Crash: Walmart Trucker Kevin Roper Pleads Not Guilty

PHOTO: Left, Kevin Roper leaves a court appearance, June 11, 2014, in New Brunswick, N.J.; right, actor/comedian Tracy Morgan visits SiriusXM Studios in this May 5, 2014, file photo in New York City. PlayMel Evans/AP Photo|Slaven Vlasic/Getty Images
WATCH Trucker Accused of Slamming Truck into Tracy Morgan's Limo Appears in Court

Kevin Roper, the Walmart truck driver involved in the New Jersey Turnpike car accident Saturday morning that claimed the life of one person and critically injured four others, including comedian Tracy Morgan, has pleaded not guilty to vehicular homicide and assault by auto.

He remains free on $50,000 bail. No new court appearance was scheduled.

Tracy Morgan 'More Responsive' Day After Crash, Rep Says

Middlesex County prosecutors accuse Roper, 35, of not sleeping for 24 hours prior to the crash. He turned himself into police immediately after the accident and has been placed on administrative leave by Walmart. The company has vowed "to take full responsibility" for the accident if it's proved that Roper caused it.

Tracy Morgan Pal Recalls 'Crunching Metal' in Deadly Crash

Morgan remains in critical condition in a New Jersey hospital, where he is recovering from a broken leg, femur, nose and several ribs.

"We expect him to remain in the hospital for several weeks," his publicist told ABC News. "His family is tremendously overwhelmed and appreciative of the outpouring of love and support from his fans."