Never BornARCHITECTURE

A Plan for Tokyo 1960

Kenzo Tange proposed extending Tokyo across its bay on a vast civic spine rather than letting the city spread around the shore.

HOW CLOSE TO REALITY20/100
CATEGORYArchitecture
LIFECYCLE1960—1961
00

Quick facts

Existence state
Never Born
Peak stage
officially announced
Research confidence
high
Last verified
01

What it was

Kenzo Tange Laboratory's unbuilt linear-city proposal for Tokyo Bay.

The plan placed transport, civic structures and expandable residential branches over the water. It rejected the closed centre of the existing metropolis in favour of an open-ended urban framework.

02

Existence timeline

Bay studies develop

Tange's laboratory studies Tokyo's rapid growth and infrastructure.

Plan completed

The team defines a linear civic axis across Tokyo Bay.

International publication

The plan circulates through architecture journals and exhibitions.

Debate without adoption

Its vast structural and political demands keep it outside an executable programme.

Canonical model survives

The plan remains influential through preserved drawings, models and publications.

03

Why it ended

The proposal was published and debated as a national-scale urban vision but was never approved as a construction programme.

04

Last confirmed trace

Models, drawings, photographs and publications remain in architectural collections and Tange scholarship.
05

What it left behind

The plan became one of Metabolism's defining images and influenced generations of megastructure and infrastructure-led urban design.

06

How we classified it

The proposed archive unit never reached ordinary public access in the form being documented.

The strongest verified milestone maps to officially_announced under Arrival Score V1.

07

Sources & verification

Last reviewed 2026-08-01. Sources are linked so readers can inspect the evidence directly.

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