Open container law
Overview
 
In the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, open container laws prohibit the existence of open containers of alcohol
Alcoholic beverage
An alcoholic beverage is a drink containing ethanol, commonly known as alcohol. Alcoholic beverages are divided into three general classes: beers, wines, and spirits. They are legally consumed in most countries, and over 100 countries have laws regulating their production, sale, and consumption...

 in certain areas. Typically these laws concern public places, such as parks, and vehicles. Open container laws are state law
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

s, rather than federal law
Law of the United States
The law of the United States consists of many levels of codified and uncodified forms of law, of which the most important is the United States Constitution, the foundation of the federal government of the United States...

s; thus they vary from state to state.
The vast majority of U.S. states and localities prohibit possessing and/or consuming an open container of alcohol in public (i.e. on the street).
 
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