The just-in-time auto parts delivery systems of the highly integrated automotive industry of Michigan and Ontario have contributed to the highway's status as the world's busiest truck route, carrying 60 percent of vehicular trade between Canada and the US.
Just-in-time dodávka autočastí vo vysoko integrovanom automobilovom priemysle v Michigane a Ontáriu prispeli k statusu diaľnice ako najrušnejšej trase nákladných áut, nesúcej 60% automobilovej dopravy medzi Spojenými štátmi a Kanadou.