Montreal drivers looking to hit the roads on the weekend should be aware of road closures in and around the city, including in the Louis-Hippolyte-La Fontaine Tunnel. It’s advised to plan trips accordingly. Louis-Hippolyte-La Fontaine Tunnel (A-25) Northbound The following will be default closures 30 minutes before: Southbound The following will be default closures 30 minutes before: Honore-Mercier Bridge (R-138) REM light rail line Bridge and Wellington Streets In the event of adverse weather conditions or operational constraints, the work may be cancelled or modified. Check Quebec511.info regularly for current and upcoming traffic disruptions.