Viewings for Joseph Pritchard will be held 2 to 4:30 p.m. and 7 to 10 p.m. Wednesday and Thursday at Lindenhurst Funeral Home, 424 S. Wellwood Ave., Lindenhurst.
A funeral Mass will be celebrated at 10 a.m. on Friday at Our Lady of Perpetual Help, 210 S. Wellwood Ave., Lindenhurst, with interment to follow at Breslau Cemetery in Lindenhurst.
Pritchard, 30, was killed Monday when his pickup truck was struck from behind by a box truck on the Long Island Expressway between westbound exits 51 and 52 in Dix Hills.
The crash set both vehicles on fire, Suffolk police said.
Suffolk police are continuing their investigation of the cause of the crash.