Humans plan road trips in miles. Dogs experience them in bladders. The rule that has never failed us: a real stop every three hours — not a shoulder-of-the-highway stop, a ten-minute walk where something has smells. Rest stops with a grass strip count. A small-town main street counts double.

Feed light on driving mornings — half breakfast, full dinner at the destination. A dog who eats a full meal and then rides four hours is a dog doing math you don’t want done in your back seat. Water at every stop, but let them settle for ten minutes after drinking before you’re back at speed.

And the seat matters more than people think. A dog who slides on every exit ramp arrives frazzled. A hammock, a crash-tested harness, or a well-wedged crate isn’t just safety equipment — it’s the difference between a dog who sleeps the last two hours and one who stands the whole way, vibrating.