55-year-old Allen Sinetar was driving his 2000 Chevy cab east on Sunrise Highway when he plowed into the three victims.
Mcneil was pronounced dead at South Nassau Hospital.
Her friends, Bryan McNeil, 25, of Baldwin was taken to Nassau University Medical Center where he is listed in Serious but stable condition.
While Samantha Koch, 20, of Baldwin, suffered head, neck and back injuries. Koch was taken to South Nassau Hospital where she is listed in stable condition.
No charges have been filed.