Adding Injury to Insult: Leaving the Scene of an Accident While Intoxicated

 Posted on April 22, 2026 in DUI

Driving under the influence carries strict penalties in Illinois. Being involved in an accident while under the influence can increase the severity of those penalties. However, leaving the scene of that accident (otherwise known as a hit-and-run accident) exacerbates the charges even further. If you or someone you love is facing such charges in 2026, consider working with a Rolling Meadows, IL DUI defense lawyer.

Our firm can review the accident in detail, looking for possible mitigating factors or defenses. Scott F. Anderson, Attorney at Law, has over 25 years of experience in criminal law, both as a prosecutor and a defense attorney, giving him deep insights into how to fight DUI charges.

What Is Your Duty at the Scene of an Accident in Illinois?

In Illinois, a driver involved in a crash cannot just panic and leave. The law generally requires the driver to stop as close to the scene as possible, stay there, and give identifying information. That usually includes the driver’s name, address, vehicle registration number, and, if asked and available, a driver’s license. The driver also has a duty to give reasonable help to anyone who is hurt, which can include helping the person get medical treatment or arranging transportation to a hospital when needed (625 ILCS 5/11-403).

That duty becomes even more serious when someone is injured or killed. If no one at the scene can receive the information and no officer is present, the driver must report the crash to the nearest police authority after giving reasonable aid. Failing to meet these requirements can result in criminal charges, even when it doesn't involve drunk driving.

When Are You Considered to Be "Under the Influence" in Illinois?

A person can be charged with DUI in Illinois in more than one way. It is common for drivers to be charged with DUI with a blood alcohol concentration of 0.08 or more, which is the statutory limit in Illinois (625 ILCS 5/11-501). But a DUI case does not always depend on a test result alone. A driver can also be charged when alcohol, drugs, or a combination of substances has affected him or her to the point of being incapable of driving safely. Illinois law also covers impairment from intoxicating compounds and certain unlawful drugs.

That means prosecutors may rely on many types of evidence. They may point to field observations, slurred speech, balance problems, the smell of alcohol, bad driving, statements made to police, or chemical test results. In some cases, the state argues that the driver’s conduct at the scene itself shows impairment. Even so, the prosecution still has to prove the charge beyond a reasonable doubt. A crash by itself does not automatically prove that someone was under the influence.

What Happens if You Flee the Scene of a DUI Accident Causing Injury?

Driving under the influence and fleeing the scene of an accident where someone was injured can result in a felony charge. The penalty and charge may be less severe if you turn yourself in to the police within 30 minutes of the accident (making the charge a Class 4 felony), but you will most likely be subjected to chemical testing. This could ultimately result in having a DUI charge added to your case. On the other hand, not reporting the accident to the police within a timely manner can elevate the charge even further. Further, waiting to go to the police does not necessarily excuse you from the possibility of chemical testing.

How Are Fatal DUI Hit-and-Run Accidents Prosecuted in Illinois?

When a DUI hit-and-run crash causes a death, prosecutors often look at more than one offense. They may pursue charges for leaving the scene of a crash involving death or personal injury. They may also pursue aggravated DUI if they believe the driver was under the influence and that the DUI violation was a proximate cause of the death.

Under Illinois law, a DUI that causes the death of another person is treated as an aggravated DUI. Even if you disprove the allegation of abandoning the scene, a fatal DUI accident is still a felony charge. If you do not report the accident to the police within the 30-minute period, the crime is charged as a Class 1 felony. If convicted, you could face anywhere from four to 15 years in prison.

Illinois law also allows chemical testing within 12 hours of the crash for a person arrested for leaving the scene under this statute. In a fatal case, the prosecution will usually try to prove both identity and causation.

What Are the Possible Defenses Against Hit-and-Run DUI Charges in IL?

The right defense depends on the facts. In some cases, the issue is identity. Police may suspect the wrong driver, especially when the person who left the scene was not stopped right away. In other cases, the defense may focus on whether the driver actually knew a collision had happened or knew that someone was injured.

A defense may also challenge the DUI allegation itself. The stop, arrest, field sobriety testing, or chemical testing may have serious weaknesses. The evidence may fail to show that the driver was impaired at the relevant time. Alternatively, the driver may have been pulled over without reasonable suspicion. If challenged, that could lead to certain evidence being excluded from court. In a fatal case, another important defense issue is causation. Even if alcohol was involved, the state still must prove that the alleged DUI offense was the main cause behind the death.

Contact Our Rolling Meadows, IL Criminal Defense Lawyer Today

If you or someone you love is facing charges for a DUI and/or hit-and-run accident, Scott F. Anderson, Attorney at Law, can help. Aggressive and experienced, our lawyer will take swift and immediate action to try to mitigate the charges in your case. In some situations, we may even be able to push to have the charges dismissed. Get the representation you need and deserve. Call 847-253-3400 and schedule a free consultation with our Arlington Heights, IL DUI defense attorney today.