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Police officers may be able to tell that somebody is driving under the influence based on a bunch of clues. For instance, is somebody swerving? Were they driving on the sidewalk instead of the roadway? When somebody is driving under the influence, their perception can be off and they could be using bad judgment. If you have been charged with DUI, you may wonder what visual cues a police officer must use to have the probable cause to pull you over. These cues are separated into four different categories: problems in maintaining proper lane position, speed and braking, vigilance, and judgment problems.

Maintaining Proper Lane Position 

When somebody is weaving all over the roads, this is one of the dead giveaways of a DUI. In some of the most serious cases of weaving, the vehicle’s wheel could cross the line before the person corrects the issue. This could be an imminent danger to other drivers on the roadways.

Speed and Braking Issues 

When an impaired driver is on the roads, they may not be able to brake properly. An officer may see somebody having trouble stopping and pull them over on a suspected DUI. For instance, they may have been stopping too far, too short, or too jerkily.

Problems in Vigilance 

When somebody doesn’t have the ability to pay attention or notice their surroundings, they are struggling with vigilance. This is common in cases of DUI. They may forget subtle or major things, like not turning on their headlights, or driving in opposite lanes, or even entering streets that are one-way.

Judgment Problems 

Drivers must always be making decisions, but their judgment could impair this ability when they are drunk. You could endanger others by following too closely, making unsafe lane changes, or stopping inappropriately.

Along with this, police officers sometimes use post-stop cues to determine if somebody is under the influence. They may have difficulty exiting the vehicle, fumble with their driver’s license, repeat questions or comments, or have slurred speech. If you have been arrested for a DUI, it is important to understand why an officer pulled you over. Call us today for more information so we can help you with your case.