Canada’s largest railway has managed to avoid strike action after coming to a last-minute settlement with union representatives.
Union representatives issued a 72-hour notice over the weekend which means staff could legally walk off the job on Tuesday.
A union alliance representing about 175,000 workers launched an unlimited general strike on Wednesday.
The transport company rolled out its controversial drug and alcohol testing policy this week with “disappointing” results.
Animals were being cared for by management on Thursday after more than 400 employees walked off the job.
The deal comes after nine months of “intense” negotiations.
The major car manufacturer is expected to make the expansion next year, according to union officials.
Employees have voted 93 per cent in favour of a strike as their union continues to bargain for a new collective agreement.
The aviators have renewed efforts to form a union following an unsuccessful attempt in 2015.
A date has been set for employees to vote over industrial action as the union rallies against “creeping privatization.''
Testing will begin later this month after attempts by the union to block the policy were unsuccessful.