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The story
On October 22, 2026, NEXCO Central Japan announced it will install “road-embedded blades” at two locations in Gifu Prefecture on the Tokai-Hokuriku Expressway this November — devices that warn wrong-way drivers by jolting their vehicles with a physical impact. This marks the first such installation anywhere in NEXCO Central Japan’s network. On 5ch, users pointed out that, unlike overseas systems that puncture tires to force a stop, this device only delivers a shock to grab the driver’s attention — sparking doubts about how effective that really is, along with calls to rethink road design and signage to prevent wrong-way entry in the first place.
Highway Wrong-Way Drivers Finally Facing a “Physical Attack”?! NEXCO Central Japan’s New “Stabbing” Countermeasure Debuts in Gifu This November
■A First for Central Japan! Two “Physical” Countermeasures Against Wrong-Way Driving
On October 22, 2026, NEXCO Central Japan’s Nagoya Branch announced it will proceed with installing new physical countermeasures against wrong-way driving at two locations on the Tokai-Hokuriku Expressway.
Source: trafficnews.jp / Original article here
What people said
A game might be a bit much…
Yeah, yeah… (sure, whatever)
Report back on what it's like if you drive the wrong way over it, lol
Kuroiso-Itamuro IC has the same layout and has caused the same issues.
Same goes for those "cursed curve" accident spots — there are way too many cases where it's obvious to anyone that the road design or signage is at fault.
And yet they act all calm and claim they "don't know the cause."
Exactly this.
The spots where wrong-way driving happens are often confusing even for non-elderly drivers the first time they go through.
Whoever designed the road is clearly an idiot.
Wrong-way prevention device "Road-Embedded Blade"
When a wrong-way vehicle drives over the device, it rides up onto blades set into the road surface, delivering a strong physical shock as a warning.
https://www.youtube.com/watch?v=Q04Rf31rjQw
Wrong-way prevention device "Road-Embedded Blade" © 2016 Daikure Co., Ltd.
Seriously, this country is slow to do anything — so slow.
How many people have to die before anything actually changes?
I've been saying for ages they should install tire-puncturing wrong-way blades like they do in America, and now they finally… are they?
So this IS that, right? It's not some different, watered-down device, is it?
Please tell me they're not going soft on this again.
People don't know that, so of course they just U-turn right there on the road lol
So it's really not a "stab" at all, huh
The only real fix is a system that detects wrong-way driving and broadcasts a warning.
And of course the warning should go out to everyone nearby, saying "A wrong-way vehicle is approaching. Please watch the road ahead."
The backs of highway road signs are totally blank, so they could just write
"You're driving the wrong way lol"
right there lol
Even this thing could still end up blowing a tire, you know.
There are bound to be cars stopping dead even when driving the right way.
You know some boy-racer type is absolutely going to complain about scratched tires and wheels.
If you do not turn back within 10 seconds,
poison gas will be released into the cabin."
Even driving normally, cars with weaker tires could get a flat or end up in an accident because of it.
Background and Key Points of This Discussion
Most wrong-way driving accidents on highways are blamed on elderly drivers making U-turns or entering in the wrong direction, and NEXCO operators have so far relied on “soft” countermeasures like larger directional arrow signs, sensor detection, and voice warnings. The continued occurrence of serious accidents is the backdrop for this new physical countermeasure. Opinions on the thread split over whether a device that merely delivers a shock can really stop wrong-way driving, and readers can easily be misled since the mechanism differs from the tire-puncturing stop systems already used overseas. Another point raised on the thread was the gap between the article’s punchy “stabbing” framing and the fact that the actual device only delivers a warning jolt.
*This article is compiled as excerpts and a summary from the 5ch (Science News+) thread “[Topic] Highway Wrong-Way Drivers Finally Facing a “Physical Attack”?! NEXCO Central Japan’s New “Stabbing” Countermeasure Debuts in Gifu This November.”
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