Why do you need a driver's license to buy liquor, when you can't drink and drive?

Why are there Interstate Highways in Hawaii?

How does the guy who drives the snowplow get to work when it snows?

If 7-11 is open 24 hours a day, 365 days a year, why are there locks on the doors?

Why do we drive on Parkways and park on Driveways?

Why are cigarettes sold in gas stations, when smoking is prohibited there?

If nothing ever sticks to TEFLON, how do they make TEFLON stick to the pan?

Why to they put Braille dots on the keypad of a drive-up ATM?

Why is it when you transport something by car, it's called a shipment, but when you transport something by ship, it's called cargo?