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North Carolina's leading Ignition Interlock provider

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Blood Alcohol Concentration

Drunk Driving: Does the .08 Legal Limit – or Any Blood Alcohol Limit – Make Sense?

April 19, 2016 by Chris Grinnell

People don’t like limits. They bring 11 items to the 10-item express checkout. They drive 65 in a 55 zone. They keep talking after the debate moderator tells them their time is up. They fill their car’s oil beyond the “max” line and spend more money than they have. And judging from the reactions to …

Read moreDrunk Driving: Does the .08 Legal Limit – or Any Blood Alcohol Limit – Make Sense?
ignition interlock device threshold

How Long Must I Wait to Use My Ignition Interlock After Drinking?

December 15, 2015 by Chris Grinnell

An ignition interlock has one job, which it does well: preventing your vehicle from starting if you have been drinking. So if you have had a beer or a few, you can’t risk taking your car out for a spin until you are sure that most of the alcohol is out of your system and you’re in …

Read moreHow Long Must I Wait to Use My Ignition Interlock After Drinking?

A Car Breathalyzer Doesn’t Test My Blood. How Can It Know My Blood Alcohol Concentration?

August 19, 2015 by Chris Grinnell

Every driver should know the legal level for drunkenness in a driver: a BAC (Blood Alcohol Concentration) of .08%, or .08 grams of alcohol per 100 grams of blood. But an ignition interlock, or car breathalyzer, doesn’t stick a needle in your arm and draw blood to test it. It gets the information it needs …

Read moreA Car Breathalyzer Doesn’t Test My Blood. How Can It Know My Blood Alcohol Concentration?
.04 BAC (blood alcohol concentration) North Carolina

Wait, Did You Say the Alcohol Limit is .04 for DWI in North Carolina?

August 18, 2015 by Chris Grinnell

The number .08 is well known all over the US as the legal blood alcohol limit for drivers. Push the needle above that on your breath test, and you have a date with a judge. But North Carolina has an extra provision you might not have heard about. If you have a DWI conviction on …

Read moreWait, Did You Say the Alcohol Limit is .04 for DWI in North Carolina?

No, You Most Definitely Do NOT Know How Drunk You Are

July 22, 2015 by Chris Grinnell

Everyone is aware that drinking alcohol diminishes one’s ability to drive a car. However, most people are almost completely unaware just how drunk they are. It’s very common to overestimate one’s ability to drive under the influence of alcohol. That’s why so many people surrender their keys far too late. Let’s take our typical, mythical 160-pound male. …

Read moreNo, You Most Definitely Do NOT Know How Drunk You Are

What Are BAC Set Points?

January 14, 2014 by Chris Grinnell

In North Carolina, if you’re pulled over while drinking and driving, and you blow a BAC level of .15 or higher, you’re required to install an ignition interlock device in your car. And once it’s in your car, you aren’t permitted to operate the vehicle if you have any alcohol, even trace amounts, in your …

Read moreWhat Are BAC Set Points?
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