Looking to put behind it a tough winter characterized by severe congestion and resulting delays Canadian National Railway has recently inked contracts with its U.S. and Canadian train crews.

The railroad inked a one-year labor contract with U.S. locomotive engineers this week, the railroad said. That follows the signing of a five-year contract with Canadian locomotive engineers in May.

The deals give the railroad labor stability at a time that it is working to recover from the past winter’s service freeze. In late 2017, a surge in traffic began to overwhelm the railroad’s network. A harsh winter compounded the railroad’s woes. LPG industry sources told Energy Transport Insider s...