Europe

Stonehenge tunnel plan is scrapped

UK transport ministry revokes development consent after £179m spent, infrastructure process produces invoices not capacity

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The proposed tunnel’s costs, including the planning expenses, have already reached £179.2m. Photograph: Matt Cardy/Getty Images The proposed tunnel’s costs, including the planning expenses, have already reached £179.2m. Photograph: Matt Cardy/Getty Images theguardian.com

The UK government has formally scrapped the long-running plan to build a road tunnel under Stonehenge after planning and development costs reached £179.2 million, according to The Guardian. The Department for Transport revoked the project’s development consent order (DCO), meaning any future attempt would have to restart the approvals process from scratch.

The cancellation closes a chapter that began in 1994 and ended with a scheme approved in 2023, paused in 2024, and now legally unwound. Ministers said the project no longer fits “current strategic policy objectives”. The numbers tell a more basic story: a proposal priced at around £1.4 billion before it was halted still managed to burn through almost £180 million without laying a metre of tunnel. Supporters in Wiltshire argued the A303 bottleneck and village “rat-running” needed relief; opponents, including UNESCO-linked critics and planning inspectors, warned the works would damage a dense prehistoric landscape beyond the stone circle itself.

Stonehenge is not an outlier so much as a clean case study in how modern European infrastructure fails: decision rights are widely distributed, while delay costs are widely socialised. The DCO process is designed to concentrate approvals for “nationally significant” projects, yet it still left room for years of legal challenges, shifting political priorities, and escalating cost estimates. Each actor can veto or slow, but no actor writes a personal cheque for the consequences of time. The result is a system that can be simultaneously exhaustive and inconclusive: a project can be “approved” and still not be buildable.

The political economy is unforgiving. Construction inflation and financing costs punish slow projects more than bad projects, turning procedural friction into an engineering constraint. Meanwhile, transport demand does not pause for consultations. Congestion persists; alternative routes become semi-permanent substitutes; and the next proposal arrives already burdened by public distrust and higher baseline costs.

The DfT said revoking the consent order would remove “planning blight” and allow alternative proposals to come forward. The scheme’s most concrete legacy is that £179.2 million has already been spent on the right to start over.