Road trips to the US decreased for a seventh straight month as Canadians ramped up their American boycott.

Canadian-resident return trips by automobile from the neighboring US slumped 36.9% in July from a year ago, Statistics Canada data showed Monday.

Return trips by air from the US also slid 25.8%, while those from other countries grew 5.9% as Canadians traveled elsewhere.

The drop in US travel underscores Canadians’ resentment toward their southern neighbor, who is their biggest trading partner and was once their favorite vacation destination.

While the Canadian economy has appeared to avoid the worst recessionary outcomes, …