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How does the highway driving detection system work

A red wrong-way sign is placed along the highway

The red misdirection sign is literally the first line of defense for every state DOT.
image: Artur Widak/NurPhoto (beautiful pictures)

Wrong road Highway driver detection systems are becoming more popular across the country. Unfortunately, the implementation of these safety systems is a response by the state’s transportation departments to an increase in fatal crashes caused by drivers going the wrong way. According to the National Transportation Safety Board (NTSB), about 500 people were killed each year in road crashes between 2015 and 2018. Between 2010 and 2014, 375 people died each year in wrong road Impact.

The systems vary from state to state but combat misguided drivers using the same three-step system: detection, verification, and response. The detection step is largely automated and focuses on detecting drivers going the wrong way as quickly as possible, driving back up the highway. arizona using a thermal camera array. Florida using a radar system. Connecticut State use 360 ​​degree camera system. Once a driver is detected, a flashing red light will be activated on the wrong side of the road signs and an alert will be sent to the state DOT traffic management center.

Diagram of the Arizona Department of Transportation's misguided detection system

Diagram of the Arizona Department of Transportation’s misguided detection system
Graphics: ONE POINT

The next two steps are intended to be performed in quick succession. The traffic management center needs to verify the warning is not a false alarm through the CCTV system. Once a misdirection warning is verified, emergency response will begin immediately.

The appropriate law enforcement agencies are dispatched to stop the wrong driver. At the same time, electronic signs will warn drivers in the right direction of drivers going the wrong way and direct them to take the nearest exit off the highway. Highways with a ramp meter will also show a permanent red light to the driver until the wrong driver crosses the ramp. Ideally, motorists should realize their life-threatening error or be stopped by the police before a head-on collision with traffic.

NTSB find see Drunk drivers are most likely wrong drivers. The agency reports that 60 percent of drivers in the wrong lane have a blood alcohol concentration at or above 0.08 grams/dl, the legal limit in every state. Apparently the simplest solution is prevent people from drinking and driving. Even so, we should work to prevent drivers from being seriously injured or killed by the reckless misconduct of others.


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