UPDATE: The accident has been cleared and normal traffic has resumed.

PORT ST. JOHN, Florida – All northbound lanes on Grissom Parkway are closed due to a crash that occurred south of Port Saint John Parkway intersection just before 6:30 a.m. on Tuesday, December 2, 2015.


Motorists can detour from Grissom Parkway to Camp Road east to US 1 North, then head west on Fay Boulevard to return to northbound Grissom Parkway as an alternate route.