This story has been updated.
An accident on westbound I-287 caused stop-and-go delays late Friday afternoon in Greenburgh.
The accident, at Exit 3 (Sprain Brook Parkway), was reported at 5:30 p.m.
An earlier accident took out the right lane, causing stop-and-go traffic on the Tappan Zee Bridge span.
The accident, on the northbound side, was reported at 5 p.m.
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