Linear Shinkansen’s Shizuoka Section: 9 Years to Groundbreaking, Governor Change Finally Breaks the Deadlock

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The story

On September 25, 2026, it was reported that Shizuoka Governor Yasutomo Suzuki has approved the start of construction on the Shizuoka section of the Linear Chuo Shinkansen. The project, planned by JR Central at a total cost of roughly ¥11 trillion, had been stalled for about nine years over environmental concerns regarding its impact on the Oi River’s water supply. Former governor Heita Kawakatsu had continued to oppose the project until his resignation in 2024, and it was only under his successor that construction finally got the green light. On 5channel, threads buzzed with exasperation over the long delay, worries about ground subsidence from the tunneling work, and skepticism about whether the project is worth the cost.

9/25/2026

Shizuoka Governor Yasutomo Suzuki has approved the start of construction on the Shizuoka section of the Linear Chuo Shinkansen.

The massive ¥11 trillion project has finally emerged from a nearly nine-year deadlock that began with environmental concerns.

Source: asahi.com / Original article here

What people said

8AnonymousSep 25, 2026 14:42
I've given up on the Linear line, don't care anymore — just hurry up and finish the Gaikan Expressway already.
9AnonymousSep 25, 2026 17:12
The Linear line is never going to open.
Life's tough, quit whining.
27AnonymousSep 26, 2026 03:00
Re: #9
It's giving the Shikoku Shinkansen (another perpetually-stalled shinkansen plan) a real run for its money.
10AnonymousSep 25, 2026 17:39
Someday a big earthquake's gonna shift the fault line, mark my words.
12AnonymousSep 25, 2026 18:47
I heard the real danger zone isn't Shizuoka but underground Shinagawa, plus the train depot in Sagamihara — is that not right?
13AnonymousSep 25, 2026 18:56
Tried listening to the podcast but it barely gets anywhere. Who's got time for something almost 2 hours long? Sum it up in 3 minutes.
19AnonymousSep 25, 2026 22:06
>So when will it actually open?

Go ask former governor Kawakatsu.
20AnonymousSep 25, 2026 22:07
It's not like you can dig underground just anywhere — water comes gushing out and it affects the surface, which is exactly why this got stuck.
There's no such thing as tunnel construction that doesn't affect groundwater.
21AnonymousSep 25, 2026 22:49
Residents living above the tunnel in Kasugai and Shinagawa better brace themselves for their property values dropping.
A tunnel's being dug right under their houses.
It could cave in just like it did in Chofu (site of a 2020 road collapse linked to tunnel boring).
22AnonymousSep 25, 2026 22:54
Re: #21
Do you not realize how many subway lines already run under Tokyo?
24AnonymousSep 26, 2026 00:52
The concrete plan to secure the Oi River's water flow — Shizuoka's biggest concern — wasn't finalized until 2023.
That's when Kawakatsu's job was basically done, and he resigned in 2024.

Shizuoka residents were never going to allow construction without a real plan for the Oi River.
It wasn't really about Kawakatsu personally — any governor would've faced the same situation.
36AnonymousSep 26, 2026 08:35
Shaving off a few dozen minutes doesn't seem worth spending that much money.
If the fare stayed the same it'd be one thing, but if it ends up jacking up prices on the existing trains and shinkansen too, forget it.
37AnonymousSep 26, 2026 10:35
If you think about it calmly, it's obvious there's zero cost-benefit here. Japan's population is shrinking to begin with.
Eventually it'll become unsustainable and just get shut down.
40AnonymousSep 26, 2026 18:25
9 years just to break ground, sure, but
when you add it all up, it's really been 50 years now.
After 50 years of investment,
is the Tokyo–Nagoya route actually going to turn a profit?

Background and Key Points of This Topic

The Linear Chuo Shinkansen is a national project that has been in the works since the 1970s, with JR Central funding and building it at its own expense. The Shizuoka section runs along a route that cuts through the Southern Alps, and Shizuoka Prefecture had long withheld approval for construction over concerns that tunneling would reduce the water flow of the Oi River. A concrete plan for water resource countermeasures was finalized in 2023, after which former governor Heita Kawakatsu, who had opposed the project, resigned in 2024; it was under his successor, Governor Yasutomo Suzuki, that this approval was finally reached. Opinions in the thread were split between skepticism over whether the line will ever actually open and concern for residents living directly above the tunnel route in Shinagawa and Kanagawa Prefecture. The original target opening date was 2027, but with the major delays in the Shizuoka section, a postponement now looks unavoidable — and it’s easy to misread this approval as settling a new opening date, which it does not.

*This article is excerpted and summarized from the 5channel (Business News+) thread “(Economy, Casually) When Will the Linear Line Actually Open? Nine Years to Groundbreaking in the Shizuoka Section — How It Got This Tangled.”

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