Bicycle overtaking rule sparks a rise in traffic violations, so Tokyo plans to repaint yellow lines white — 5ch: “Doesn’t fix the real problem, the roads are just too narrow”

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The story

Following an April 2026 revision to Japan’s Road Traffic Act requiring cars to keep a set distance when overtaking bicycles, reports have revealed that a separate wave of traffic violations is popping up nationwide, as drivers cross the no-crossing yellow center line in order to keep that distance. In response, the Metropolitan Police Department has decided to repaint roughly half of Tokyo’s yellow center lines as white lines. On 5ch, opinions split over whether this is the right call: some argued it would be far cheaper to instead amend the law to allow crossing the line specifically when overtaking a bicycle; others questioned why the yellow line — originally meant to ensure safety from oncoming traffic — should be touched at all; and still others pointed out that the root cause was pushing bicycles onto the road to begin with.

Investigative reporting by Spotlight has revealed that, alongside this April’s revision to the Road Traffic Act establishing rules for cars overtaking bicycles, a separate traffic violation has emerged: cars crossing the no-crossing yellow center line in order to keep their distance from bicycles.

Following this report, it has newly come to light that the Metropolitan Police Department plans to repaint roughly half of the yellow center lines in Tokyo as “white lines.”

◆ Traffic violations mount under the “new rule”

Source: news.yahoo.co.jp / Original article here

What people said

3AnonymousSep 10, 2026 15:35
To avoid ever admitting that the first stupid decision (forcing bikes onto the road) was stupid,
they just keep spiraling further into nonsense.
Classic case of Japan's higher-ups never admitting fault.
142AnonymousSep 10, 2026 16:01
Re: #3
Ah, true that.
They're idiots but their pride is sky-high.
5AnonymousSep 10, 2026 15:36
Does nobody consider why the yellow line was drawn there in the first place?
24AnonymousSep 10, 2026 15:41
Re: #5
I think they did consider it — where it looks safe enough it becomes a white line, and where it doesn't it stays a bike lane instead.
Still, this doesn't solve the actual problem: the roads are just too narrow.
27AnonymousSep 10, 2026 15:42
Re: #5
Well, it's just a hassle either way.
Doesn't seem like it accomplishes much, does it?
50AnonymousSep 10, 2026 15:46
Re: #5
This is going to backfire once accidents start happening.

They should just add an exception: crossing the yellow line is OK when overtaking a bicycle.
Repainting it white is the wrong call.
26AnonymousSep 10, 2026 15:41
They should apply the obligations of a "vehicle being overtaken" to bicycles too.
53AnonymousSep 10, 2026 15:47
Re: #26
That actually sounds like the cheap, realistic option.
I get that plenty of cyclists ride smoothly, but you also get guys stubbornly hogging a whole lane on a main road, wobbling their butt around — that's just not it.
29AnonymousSep 10, 2026 15:42
Even banning bikes from sidewalks could've been done cleanly with a Tokyo-only ordinance restricting it to urban areas.
This is basically a Tokyo-only problem, so of course things get weird when you change the rules nationwide.
94AnonymousSep 10, 2026 15:52
Re: #29
No, it's exactly in urban areas that bikes need to be allowed on sidewalks.
Riding a bike on city roads is terrifying.
30AnonymousSep 10, 2026 15:42
Then just amend the law so crossing the yellow line is fine when overtaking a bicycle — that'd cost next to nothing compared to repainting every line in sight.
62AnonymousSep 10, 2026 15:48
Re: #30
There will still be roads where crossing stays banned.
38AnonymousSep 10, 2026 15:44
This is necessary.
If everyone seriously obeyed the no-crossing-yellow-line rule, you'd get massive jams stacking up behind bicycles
and the whole country would turn into northwest Chiba.
Though the real gridlock in northwest Chiba is even worse — a bike would get there twice as fast.
45AnonymousSep 10, 2026 15:46
Re: #38
That's oddly specific lol.
The roads around there really are a lost cause.
39AnonymousSep 10, 2026 15:44
In Tokyo's narrow streets, plenty of roads have had the center line erased entirely.
68AnonymousSep 10, 2026 15:49
Re: #39
They erase it on purpose.
Without even a center line, drivers perceive the road as narrow and slow down — that's actually been proven.
189AnonymousSep 10, 2026 16:12
Re: #39
The realistic fix is probably:
erase the center line and put up a 40 km/h speed limit sign.
84AnonymousSep 10, 2026 15:51
Re: #53
I wish runners on the road couldn't complain either if they got clipped.
Those guys dart out without even looking.
115AnonymousSep 10, 2026 15:55
Re: #84
Ah, I get that.
Also, earphones are fine, but I always wonder if they can actually stay aware of their surroundings.
92AnonymousSep 10, 2026 15:52
> They're moving forward with setting up blue-marked bicycle-only lanes.

Meaningless as long as garbage drivers ("kuruma-kasu," 5ch slang for terrible drivers) keep illegally parking in those bike-only lanes like it's nothing.
159AnonymousSep 10, 2026 16:04
Re: #92
Sidewalk.
Road.
Bike path.
Full separation is the ideal fix.

Public works could solve this.
95AnonymousSep 10, 2026 15:53
Let motorbikes use the bicycle-only lanes too.
They keep churning out nothing but idiotic rules.
121AnonymousSep 10, 2026 15:56
Re: #95
Makes sense, since idiots are the ones writing the rules lol
117AnonymousSep 10, 2026 15:56
Nobody's even following the new rule anyway.
I got squeezed over just the other day too.
205AnonymousSep 10, 2026 16:16
Re: #117
Was it going fast?
At around a 20-30 km/h difference, the 1-meter rule doesn't even apply.
130AnonymousSep 10, 2026 15:58
Banning bikes from sidewalks is probably increasing the number of cyclists getting hit by cars.
143AnonymousSep 10, 2026 16:01
Re: #130
I've seen a doctor post that they're seeing more severely injured cyclists coming in.
131AnonymousSep 10, 2026 15:59
Isn't there a rule for when bicycles overtake something?
154AnonymousSep 10, 2026 16:03
Re: #131
My personal rule:
when passing a taxi or truck parked in the bike lane, or any car whose driver-side door might suddenly swing open,
I leave a 1-meter gap…
175AnonymousSep 10, 2026 16:08
That's just going to end up looking cream-colored.
177AnonymousSep 10, 2026 16:08
Re: #175
That actually sounds nice.
201AnonymousSep 10, 2026 16:14
I was cycling through a yellow-line section when a patrol car pulled up behind me. I was wondering what it'd do — without hesitation it swung about half its body into the oncoming lane and passed me. FYI, this was the Kanagawa Prefectural Police.
206AnonymousSep 10, 2026 16:16
Re: #201

That'd be a huge problem anywhere else, but if it's Kanagawa Police, well, can't help it (they have a notorious reputation).
204AnonymousSep 10, 2026 16:16
Wait, isn't a solid white center line supposed to mean you can't cross it under any circumstances?
212AnonymousSep 10, 2026 16:17
Re: #204
True, but according to Dr. Google,
the yellow line was introduced to psychologically signal danger.

Amending the law before repainting everything white
seems like it'd give way more bang for the buck.
209AnonymousSep 10, 2026 16:16
Cars are the ones that should be restricted. The quickest fix is eliminating one lane to free up space. Add more one-way streets. Fundamentally, widening the roads themselves would be best.
219AnonymousSep 10, 2026 16:18
Re: #209
That sounds like a solid idea too.
There are tons of roads where even two-way traffic is barely workable
but that still haven't been made one-way.

Background and key points of this debate

Yellow center lines ban crossing for safety reasons in sections with poor visibility of oncoming traffic — they were never drawn with cyclists in mind to begin with. This measure only repaints lines in sections judged to carry little risk even if crossed while overtaking a bicycle; it’s easy to miss that not all of Tokyo’s roads are affected. The thread split over whether repainting the roads or instead writing a legal exception allowing drivers to cross the line specifically when overtaking a bicycle is the smarter fix. Many argued the latter would be cheaper, while others worried that even after repainting, some sections would still carry a head-on collision risk. Underlying it all is a broader disagreement over whether bicycles belong on the road at all — and either way, this measure alone doesn’t solve the fundamental problem of Japan’s narrow roads.

※ This article is excerpted and summarized from the 5ch (News Speed+) thread “Traffic violations mount under bicycle-overtaking “new rule” — Metropolitan Police to repaint Tokyo’s yellow center lines white.”

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