MONTREAL — No passenger trains are set to run between Montreal and New York City for the next six weeks due to maintenance work after Amtrak struck a deal with Canadian National Railway Co.

Schedules on the American railway show that service out of Manhattan will go no farther on the so-called Adirondack line than the upstate New York town of Saratoga Springs between May 20 and June 30 — just before high season begins to peak.