A Canada Border Services officer watches as vehicles enter Canada from Vermont at the Highway 55 Port of Entry in Stanstead, Que., Thursday, March 13, 2025.

Nearly 500,000 fewer travellers crossed the land border from Canada into the U.S. in February compared to the same month last year, according to data from the U.S. Customs and Border Protection, the latest sign that President Donald Trump's taunts and tariffs have shaken bilateral relations.