#2: Driving with an Open Container of Alcohol (Most States)
Anyone who has taken a road trip has likely seen signs warning against open containers in vehicles. Even if the driver hasn’t had a sip, most states consider it a violation because of the potential for impaired driving or the difficulty of proving who consumed what. The laws vary from state to state, but the intention remains consistent: keeping roads safer.

provided by constative.com
It’s one of those rules that sounds straightforward until you realize just how many situations it can apply to.
