The crash took place around 7:10 a.m., Wednesday, May 22, when the unidentified man was stopped on Route 135, just south of the Jericho Turnpike in Syosset conversing with the other driver, when a third vehicle sideswiped both vehicles and the ambulette driver, said the Nassau County Police.
The ambulette driver was pronounced dead at the scene.
The driver of the third vehicle that hit the man remained on the scene, police said.
The crash caused an hourslong closure during the morning commute on Route 135, between Exit 13, for the Long Island Expressway, and Exit 14, for Jericho Turnpike, police said.
The investigation is ongoing.
This is a developing story. Check back to Daily Voice for updates.
Click here to follow Daily Voice Massapequa and receive free news updates.