In a significant development affecting Cornwall’s commuters, National Highways has announced overnight closures on the A30 route to facilitate surfacing and infrastructure enhancements.
The affected segments will see closures in both directions, potentially disrupting daily commutes and travel plans.
Closure Details
From Monday, 22 April to Thursday, 25 April, sections of the A30 will be closed during the hours of 8 PM to 6 AM. The closures will specifically impact the areas between Scorrier and Boxheater for eastbound traffic, and Boxheater to Chiverton for those travelling westbound. Between Scorrier and Boxheater EASTBOUND and between Boxheater and Chiverton WESTBOUND will be closed during this time.
Diversion and Travel Advice
To mitigate the impact on local and through traffic, clearly marked diversion routes will be established. National Highways advises commuters to plan their journeys in advance and allocate additional travel time. Detailed diversion information and travel planning resources are available through National Highways’ dedicated information page.
Project Background and Funding
This closure is part of the ongoing efforts to upgrade the A30 from Chiverton Cross to Carland Cross, transforming the current single carriageway into a more efficient dual carriageway. The project, which began in March 2020, is a critical component of the Government’s Roads Investment Strategy and underscores the strategic importance of the A30. With a budget of £330 million, the upgrade includes significant financial backing, featuring an £8 million contribution from the European Regional Development Fund aimed at development costs and an additional £12 million for construction phases.
Impacts and Long-Term Benefits
While the short-term disruptions may inconvenience daily travellers and local residents, the upgrades promise enhanced road safety, reduced traffic congestion, and improved economic connections throughout the region. The project is scheduled for completion in 2024, marking a significant enhancement of the South-West’s transport infrastructure.
Commuters can expect updates and live travel alerts to be issued as the work progresses and are encouraged to use the provided diversion routes to navigate around the closures effectively.

As the project progresses, further information, including future closure dates and diversion routes, will be made available through the National Highways website, ensuring the public remains informed and prepared for upcoming travel adjustments.