Update: Highway 11 north is now fully open.
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Ontario 511 reports that a traffic collision on Highway 11 has closed all lanes.
The accident happened around 10:30.
"Both directions between Thibeault Hill, North Bay and Hwy 11B to Cobalt," states 511.
No information yet from the OPP on the cause or when it might reopen.
BayToday will update as information becomes available.
A detour is available by taking Highway 63 to the Quebec border and travelling north to Temiskaming Shores.