Scheduled work on the Honoré Mercier Bridge is causing major traffic woes for Montreal commuters.  

Traffic was backed up for more than an hour this morning as drivers tried to make their way on to the island from the South Shore.

The bridge has been reduced to one lane in each direction, and will remain so for the next four weeks.   

"If it was only the bridge, it would be okay, acceptable," said driver Yvon Bélanger who took the bridge from Montreal to the South Shore this morning. "But everything is closing. There [are] construction sites everywhere you are going in the province." 

Bélanger said he’ll go the long way and take the Champlain Bridge to avoid the traffic until work is done.

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Commuters are advised to take public transit during construction period. (Tanya Birkbeck / CBC)

The Jacques Cartier and Champlain Bridges Inc. — the Crown corporation responsible for the bridges — is recommending commuters use public transit if possible.  

Those who must take their cars are advised to cross the Champlain or Victoria bridges early in the morning to avoid heavy traffic.

Work will continue on the Mercier Bridge seven days a week, 24 hours a day. It is expected to be completed by August 11.