U.S. trade with Canada and MexicoÌýdropped in April by the most this year, and freight carried by trucks declined, the Bureau of Transportation Statistics reported June 25.
Truck freight dipped 0.9% as total trade declined 6.8% to $93.3 billion.
Trucks carried 64.2% of the trade among North American Free Trade Agreement partners, making them the most heavily used mode of moving goods to and from Canada and Mexico.
The decline in April follows a 5.3% drop the prior month that was due in part to the reduced price of mineral fuel shipments, according to BTS.
Trucks transported $30 billion of exports and $29.8 billion of imports among the Nafta partners.
U.S.-Canada trade for the month by truck declined 6.6%, and rail dropped 6.3%. Trucks carried 58% of the $48.8 billion in freight to and from Canada.
Trade with Mexico by truck increased 4.9% from last year and accounted for 70.9% of the $44.5 billion of freight moved to and from the country.
Nafta trade by pipeline dropped by 44.9% to $4.8 billion, and ship trade declined 22.8% to $6.1 billion.