Police say 26-yer old Matthew Rall got into a confrontation with another man at a pub in Holbrook.
The other man, whose identity has not yet been released, drove off with a male passenger.
Rall allegedly followed the victim on the Long Island Expressway and deliberately smashed his Toyota Tacoma into the other man's Ford Ranger near exit 63 at about 2:30 a.m. Saturday.
Suffolk County Police arrested Rall at the scene.
The victim and his passenger were not injured.
Rall was charged wtih driving under the influence and second-degree reckless endangerment.