Police in Derby said a person was struck by a vehicle in town and died on the way to the hospital.
They said it happened just before midnight on Thursday in the vicinity of Chapel Street on Route 34 eastbound.
Route 34 east was closed for about 3 hours while police processed the scene. It has since reopened.
Emergency medical personnel said they pronounced the 57-year-old man dead while en route to Yale-New Haven Hospital.
His identity has not been released while police notify his family.
Police said their preliminary investigation shows that the driver was not at fault.
Anyone with information is asked to contact the Derby Police Department at 203-735-7811.
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