Detour Route 20 North Started Fri Aug 7 Until Sat Aug 7 2027 Route 20 diverted from Sparks to Place du Centre.Detour Route 20 South Started Mon Sep 28 Until Sun Sep 26 2027 Route 20 diverted from Laval to Lyon.Detour Route 20 North Started Fri Oct 2 Until Mon Oct 5 Route 20 diverted from Wellington to Gagnon.Detour Route 20 South Started Fri Oct 2 Until Mon Oct 5 Route 20 diverted from Wellington to Terrasses.