Jacqueline Carol Lloyd, 46, died after being struck by an out-of-service bus on Butts Lane, Southport, at about 23:50 BST on 17 May 2015.
Derek Bebbington, 57, of Moss Nook, Burscough, denied the charge during a hearing at South Sefton Magistrates' Court.
He will appear at Liverpool Crown Court on 10 June.
A man has pleaded not guilty to causing death by careless driving after a woman was hit by a bus in Southport.