⛔️ ROAD CLOSURES FOR DRAINAGE WORKS - MAY 2026⛔️

Road closures for Highway Drainage Improvement works - Old Carnon Hill/Bissoe Valley - May 2026

Highways drainage improvement works will be being carried out at Old Carnon Hill/Bissoe valley and are due to commence Monday on 11th May until 12th June 2026. The work will be undertaken in phases as indicated with road closures in effect throughout.

Phase 1 - 11th May to 5th June (shown in green)

Phase 2 - 8th to 12th June (shown in red)

Any questions should be directed to enquiries@cornwallhighways.co.uk

If there is an issue that is a threat to public safety regarding these roadworks please telephone Cormac Solutions on 0300 1234 222 (24 hour service) giving details of the location.

More details are available via the links below.

https://one.network/?tm=GB149132049 (Old Carnon Hill)

https://one.network/?tm=GB148826053 (Grenna Lane stretch)