The northbound side of Route 15 in Milford was closed during the Friday evening commute after a serious motor vehicle crash.
Route 15 was closed near exit 55A after a crash around 3 p.m.
State police said people involved in the crash suffered "serious injuries."
#cttraffic: Rt 15 north near exit 55A in Milford is closed for a motor vehicles accident/ rollover with serious injuries.— CT State Police (@CT_STATE_POLICE) May 12, 2017
Route 15 reopened around 6:40 p.m.
The cause of the crash is under investigation by Connecticut State Police.
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