Ottawa has sent the rail dispute to arbitration — so what happens now?

The federal government has referred the ongoing rail labour dispute to arbitration, but that might not guarantee a resumption of service.

Ottawa has sent the rail dispute to arbitration — so what happens now?
Teamsters union members picketing near a metal fence at the entrance of a lot with a sign that reads: CN provide property; no trespassing.

The federal government has referred the ongoing rail labour dispute to arbitration, but that might not guarantee a resumption of service.