States scramble to carry out Trump’s coronavirus travel order

After a weekend of panicked calls and emergency meetings, federal and state officials were still struggling Monday with how to carry out stringent new travel restrictions ordered by the Trump administration and where to quarantine passengers arriving from China to control the spread of the coronavirus in the United States.

In interviews, state officials said the order came on Friday with no advance notice and little planning.

The restrictions ban non-U.S. citizens who recently visited China from entering the country and quarantine Americans who visited Hubei province, the epicenter of...