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HS2 Colne Valley Viaduct, Harefield

Type: Towpath Restriction

Waterway(s): Grand Union Canal

From: 20 July 2026, 8am

To: 27 July 2026, 4pm inclusive

Region: London and South East

Reason: 3rd Party Works

Location

Closest waterwayGrand Union Canal
Starts atBridge 180, Widewater Bridge
Ends atBridge 181 (Railway)

Description

Original 17 July 2026, 1:01pm

High Speed 2 Limited will be undertaking vegetation removal, and management works on the towpath of the Grand Union Canal in the vicinity of the High Speed 2 Viaduct. The towpath will remain open throughout the works, however people using the towpath may be asked to wait for up to five minutes. The canal will remain open to navigation.

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