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Wrong-Way Driver Alert Systems

Wrong-way driver alert systems increase self-correction and speed response times with a complete, configurable, and effective defense against wrong-way driving.

Wrong-Way Driver Alert Systems

Wrong-way driver warning systems increase self-correction and speed response times with a complete, configurable, and effective defense against wrong-way driving.

What causes wrong-way driving?

Problematic roadway design

The primary origin of wrong-way events is highway exit ramps where the direction of travel is not clear.

Poor signage and markings

Signs and pavement markers alone aren’t enough to capture the attention of wrong-way drivers.

Driver impairment

50-75% of wrong-way events involve drugs or alcohol. Distracted driving and cognitive issues are other contributing factors.

Poor lighting

78% of fatal collisions occur between 6 p.m. and 6 a.m. when visibility is low.

According to data from the National Transportation Safety Boardwrong-way crashes claim an average of 359 lives each year in the U.S. And while overall vehicle crash deaths have declined in the past decade, wrong-way crashes have maintained their deadly toll. Some states have even seen an uptick in wrong-way crashes.

wrong-way driving fatalities versus all roadway fatalities
All roadway fatalities vs. WWD total fatalities (2004-2018)

Carmanah’s intelligent wrong-way driving (WWD) countermeasures offer configurable and proactive solutions to detect incidents and encourage driver self-correction. Build your solution with WWD-MX-connected wrong-way signs, beacons, and optional radar, or opt for an advanced detection system for high-risk locations.



Carmanah’s Wrong-Way Vehicle Detection, Warning, and Alert Systems significantly enhance road safety and minimize response times to potentially fatal incidents.

 These advanced systems employ multiple safety features to effectively address the dangers of wrong-way driving. Instead of relying on drivers to self-correct or waiting for reports from other motorists, the systems use radar and high-definition cameras to instantly detect wrong-way vehicles. Upon detection, they activate high-intensity LED warning signs, which have been shown to improve driver self-correction rates. Simultaneously, the systems alert traffic management centers and law enforcement, enabling rapid interception of wrong-way drivers and deployment of first responders. 

Additional Resources for Wrong-Way Driver Systems


Wrong-Way Driving: Facts and Effective Countermeasures

Read our primer on the problem of wrong-way driving in the U.S., its causes, and proactive measures states can take to reduce this deadly crash type.


Case Study

Nevada uses Carmanah light bars to combat wrong-way driving
See how an experimental detection and alert system in Reno is helping prevent wrong-way driver situations before they become dangerous.



Arizona Turns to Technology to Turn Wrong-Way Drivers Around
Faced with a serious and worsening public safety threat, Arizona has taken extensive steps to counter wrong-way driving, including detection technology.


Ready to get started?

Contact us for a quote or to request a one-on-one information session: 1-844-412-8395