Dutch Rail System Is Disrupted, as Service to Amsterdam Is Halted

The Dutch train operator warned of delays across the Netherlands as train service to and from Amsterdam, the capital, was canceled for a second day on Monday.

ProRail, the government agency responsible for maintaining the railways, cited problems with the system used to monitor and control trains, which first surfaced on Sunday afternoon. All service was canceled, and ProRail told customers that it had restarted the system and hoped to restore service by the end of the day.

But by late Sunday…