It happened at about 2:50 p.m. near the intersection of Jerusalem Avenue and Northgate Drive in Uniondale.
Nassau County police said an elderly woman was driving the car, struck a fence and struck three people waiting at a bus stop before hitting a utility pole.
The three people struck are all adults. One of them -- a woman -- is listed in critical but stable condition. The other two -- a man and a woman -- are both listed in stable condition.
The driver of the car was also taken to the hospital.
The circumstance on how the crash happened are under investigation.