They said an estimated 50,000 daily passengers and 175,000 weekend riders would be affected.
As of 2010, 1,050,000 daily passengers use the Montreal metro.
About 600 new daily passengers were using the line, and that number is expected to grow, transit officials said.
These routes serve an average of 1,403,700 daily passengers each weekday.
The number of daily passengers was between 2,500 and 7,500 in 2002.
It had the average of 568,863 daily passengers in 2005 fiscal year.
Now, he said, roughly 100 of the airport's 2,700 daily passengers use the service.
Either way this gives an average 20 daily passengers per direction.
It serves an average of 9,954 daily passengers during the week day weekday.
Month passes were not valid on the route, and the line had 3,000 daily passengers.