National Highways: A38 Saltash Tunnel update (12 May 2026)

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Key milestone fast approaching in our technology upgrade at Saltash Tunnel

We’ll soon be approaching a significant milestone with our new lane control system at Saltash Tunnel and across the Tamar Bridge.

We’ve been undertaking rigorous safety testing of the new system to ensure it’s working as it should.

The overhead signals are now displaying the green arrows and red crosses to reflect the current traffic management. These will stay in place until the tidal flow control system goes live.

Safety testing is almost complete and very soon we’ll be switching on the new tidal flow lane control system.

Once live, it will mean that we can once again change the direction of traffic via the overhead signals.

We will let you know in advance what date the system will be going live.

Until then, please continue to stay in lane.

The scheme will fully complete later in 2026.

More information on our scheme, please visit our dedicated webpage.

Help us to spread the word

Please help us by sharing this update. Please share this message with your connections and network, as well as on your own channels.

 Any questions?

Please note: all enquiries regarding the scheme should be directed to National Highways, and not to Tamar Crossings which is independently owned and operated by Cornwall Council and Plymouth City Council.

You can view our dedicated webpage on the scheme, here.

If you have any queries or comments about the work, or would like further information please contact National Highways Customer Contact Centre on 0300 123 5000 or by email: info@nationalhighways.co.uk

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National Highways Limited | General enquiries: 0300 123 5000 |National Traffic Operations Centre, 3 Ridgeway, Quinton Business Park, Birmingham B32 1AF | https://nationalhighways.co.uk | info@nationalhighways.co.uk

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Closure Order – Landaviddy Lane, Polperro

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Road Traffic Regulation Act 1984 S.14: Temporary Prohibition of Traffic

Location:         Landaviddy Lane, Polperro and Raphael Road, Lansallos

Timing:            2nd June 2025 to 27th June 2025 (24 hours)

Contact:          National Grid – Tel: 0800 6783 105, email: Nged.streetworks@nationalgrid.co.uk

The above closure has been approved.   Please click the following link to view a map and associated documents:

https://one.network/?tm=142087696

Applicants are reminded that they have undertaken to notify all interested parties known to be directly affected by the closure including, if appropriate, bus companies and all frontagers on the length of the road such as local residents and businesses as well as other traders who may have to make deliveries and/or collections in the area. Applicants and contractors are also reminded that they are responsible for the provision, erection, maintenance and removal of all necessary signing.

Kind regards,

Streetworks

Transport and Infrastructure Service

Cornwall Council

Tel: 0300 1234 222