Scotland's transport secretary has warned Balfour Beatty and Galliford Try to not ‘cut corners’ on safety before the final opening of the Aberdeen bypass.
Transport Focus, working with Highways England, has published new research into how road users experience tunnels and what they want from future designs.
The long-delayed Aberdeen Western Peripheral Route is set to finally open this month but politicians have been told the final price is set to soar over £1bn.