Short answer: Louisiana does not have a special law declaring drive-through daiquiris legal. Instead, the open-container statute says a frozen alcoholic drink is not considered an open container while its lid remains on, no straw protrudes through the lid, and none of the contents has been removed. Change any one of those facts and the answer can change.
That distinction is why a shop can hand a customer a frozen daiquiri through a window without the drink automatically becoming an open container inside the car. The rule is real, but the popular version of it is usually too loose.
The Louisiana “Straw Rule” Comes From the Open-Container Statute
Louisiana Revised Statute 32:300 generally prohibits a driver or passenger from possessing an open alcoholic container or consuming alcohol in the passenger area of a motor vehicle while the vehicle is being operated on a public highway or right-of-way.
The law then creates a very specific definition for frozen alcoholic beverages. A frozen drink is not treated as an open container unless one of the following has happened:
- The lid has been removed.
- A straw protrudes through the lid.
- Some of the contents have been removed.
In practical terms, a properly closed frozen daiquiri can be transported in the passenger area without violating this particular statute. It does not mean a driver may start drinking it on the way home.
| Condition of the frozen drink | How R.S. 32:300 treats it |
|---|---|
| Lid on, no straw protruding, nothing removed | Not an open container under the frozen-beverage definition |
| Lid removed | Open container |
| Straw protruding through the lid | Open container |
| Some of the drink already consumed or removed | Open container |
Does Tape Over the Straw Make It Legal?
The statute does not say that tape transforms a protruding straw into a sealed container. It says the drink is open when a straw protrudes through the lid. A shop may tape a straw to the outside of the cup or otherwise package it for transport, but the safest reading is simple: the straw should not pass through the lid while the drink is in the passenger area.
That is one reason the phrase “Louisiana lets you drink daiquiris while driving as long as the straw has tape on it” is a myth. Louisiana lets a properly closed frozen beverage be transported. Drinking it in the vehicle is a different matter.
Open Container and Impaired Driving Are Different Questions
A sealed cup does not protect a driver who is impaired. The open-container law addresses the condition and location of the beverage. Driving while intoxicated laws address the driver’s condition and conduct. A person can face an impaired-driving investigation even if every container in the vehicle is closed.
The reverse is also possible. An open-container violation can occur even when the driver is not legally intoxicated. Under R.S. 32:300, a violation carries a fine of up to $100 plus court costs, but the consequences of impaired driving can be far more serious.
What About Passengers, Trunks, Limos, and Parade Floats?
The statute applies to both drivers and passengers in the passenger area, but it contains exceptions. Among other things, it excludes containers kept in a locked glove compartment, trunk, or an area behind the last upright seat when the vehicle has no trunk. It also contains limited exceptions involving certain paid passenger vehicles, qualifying motor homes, privately owned limousines, and parade floats.
Those exceptions are narrow. A regular passenger in a private car should not assume that being in the back seat makes an open drink lawful.
If a Daiquiri Is Involved in a Louisiana Crash
The cup itself can become important evidence after a serious collision. Its location, condition, remaining contents, receipt, time of purchase, and any testing of the driver may help establish what happened. Police body-camera video, store video, phone records, and witness statements can also matter.
The driver who caused the crash is usually the first focus of a Louisiana personal injury claim. Whether a bar, daiquiri shop, social host, vehicle owner, employer, or insurer may also be involved requires a separate analysis. Louisiana’s alcohol-provider immunity law is broad in some circumstances, but it is not a universal answer to every alcohol-related injury.
If you were injured, preserve photographs of the vehicle interior and containers if you can do so safely. Get medical care, obtain the crash-report information, and avoid posting guesses about alcohol use on social media. Louisiana filing deadlines can depend on the incident date, so review the state’s personal-injury prescription deadlines promptly.
Frequently Asked Questions
Can I put the straw through the lid if I do not take a sip?
Not without creating an open-container problem under the statute’s wording. A frozen alcoholic beverage is considered open when a straw protrudes through its lid, even if you say you have not consumed any of it.
Can a passenger drink a daiquiri while someone else drives?
Generally not in the passenger area of a private motor vehicle being operated on a public highway or right-of-way. The law applies to passengers as well as drivers, subject to specific statutory exceptions.
Is a daiquiri safe from the open-container rule if it is in the trunk?
The statute excludes a container kept in the trunk. For a vehicle without a trunk, it also addresses an area not normally occupied by the driver or passengers, such as behind the last upright seat. The exact vehicle layout and location of the drink matter.
Why are drive-through daiquiri shops allowed to operate?
The sale of a frozen drink and the possession of an open container in a moving vehicle are separate legal questions. A shop can sell a closed beverage for transport. The customer is responsible for keeping it closed and complying with driving laws.
Louisiana Law or Legend?
Verdict: The straw rule is real. The idea that Louisiana simply allows drinking a drive-through daiquiri behind the wheel is not. For more statutes that sound invented but are actually on the books, see our verified guide to Louisiana’s weirdest laws.