Nassau County police say the 66-year-old woman was attempting to cross Hempstead Turnpike southbound near Emerson Avenue in Bethpage at 5:07 p.m.
She was struck by a 2008 Hyundai Sonata driven by a 39-year-old man.
She was then struck by a second vehicle, a 2008 Honda CRV driven by a 24-year-old man.
Both of the vehicles were traveling straight in an eastbound direction.
The victim was pronounced dead by a Nassau County AMT. Her identity has not yet been released.
Both drivers remained at the scene, police say.
The vehicles were brake and safety tested.
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