How rules differ by state and venue, and why you check before you pack, not after you land.

The useful thing to understand is that four separate layers of rules apply to the same afternoon: state law, city or county rules, the policy of the building you are standing in, and the terms of whatever you are travelling on. They rarely agree.

Read this first

• Demo content: This prototype does not publish verified legal detail. Everything here is illustrative placeholder copy.
• Rules change: Regulations, limits and venue policies are revised regularly. Always confirm with official local sources close to your travel date.
• State lines: Never assume anything travels with you between states or across a border.

Last reviewed September 2026.

Four questions worth answering before you go

What is legal for a visitor in this state? Where is consumption actually permitted? What is my hotel’s written policy? And how am I getting around — because vehicles and transit have their own rules entirely.

Verify the destination, not the internet’s memory of the destination.

Our destination pages collect the questions to ask and where to ask them. They are deliberately not a substitute for an official source.