The trains were rolling through the valley again today after legislation ended a nine-day strike of Canadian Pacific employees.
Around 4,800 locomotive engineers, conductors and traffic controllers walked off the job May 23, stalling Canadian freight traffic and costing the economy an estimated $80 million a day, according to the government.
Calgary-based CP said its Canadian freight operations restarted at about 0700 ET on Friday.
A government back-to-work bill passed late on Thursday allows Ottawa to appoint an arbitrator who has 90 days to work with the company and the union to forge a compromise contract, which will then be imposed.
Talks broke down on CP's plan to cut pension funding by 40 percent, the Teamsters Canada Rail Conference union said.