If all the cars in the United States were placed end to end, it would probably be Labor Day weekend.

Larson’s line is a compact piece of American observational humor: it begins like a familiar “end to end” statistical comparison, then swerves into a calendar joke. The punchline invokes Labor Day weekend—synonymous in the U.S. with heavy highway traffic and long, frustrating backups—suggesting that the true measure of America’s cars is not their physical length but the lived experience of congestion. The quote satirizes car dependence and the culture of mass travel, implying that automobiles, meant to provide freedom and speed, collectively produce immobility at peak moments. It also plays on the gap between abstract data and everyday reality, replacing measurement with a shared cultural reference point.