Projects · Transport
M25 Junction 10 / A3 Wisley interchange, near Ockham and RHS Wisley, Surrey·Under wayTransport
M25 Junction 10 / A3 Wisley interchange improvement
- StageUnder construction since summer 2022; overnight lane closures continuing (latest update 7 Aug 2026); listed end date of spring 2026 has passed
- ValueGBP317 million
- Next milestoneScheme completion; no revised date published
- Last checked1 November 2026
What has changed on this project, and when
- Next milestone: Scheme completion; no revised date published2 November 2026 · previously: Completion of remaining A3 southbound works and final resurfacing/technology through 2026
- Stage: Under construction since summer 2022; overnight lane closures continuing (latest update 7 Aug 2026); listed end date of spring 2026 has passed2 November 2026 · previously: Under construction (finishing works); original spring 2026 completion slipped, no revised date published
- Value: GBP317 million2 November 2026 · previously: £317 million
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