Due to a head on collision on the upper deck of Viaduct the Rt 6 and Rt 21 will need to detour as follows:
inbound
Via Harrison
R Lower Level Viaduct
L Spring Grove
R Marshall
R Central Parkway to reg rt.
outbound
Via Central Parkway
continue to
L Marshall
L Spring Grove
R Lower Level Viaduct onto Harrison to reg rt.
RCC will advise when clear.