Check current delays, incidents and closures.
See planned and ongoing road improvement work.
Guidance and services for professional drivers.
Support, advice and services if you're disabled.
How we support people travelling as pedestrians, by bike or by horse.
Key rules and signs for using our roads
Practical tips for safer, smoother journeys
Our investment in local communities
How we restore and enhance the environment
How we create the space for ideas and innovation to thrive across industry and academia
How we manage and improve our roads
What we're accountable for as a road authority.
The people and organisations we work with to keep the network safe, moving and improving
See our press releases and statements and contact our Press Office.
How to work with us as a supplier
Jobs, career paths and life working with us
Links to the pictures, illustrations and tables used in this evaluation.
Scheme location
Average daily traffic before opening and five years after opening
Comparison of forecast and observed traffic flows (% difference) – neutral month
Comparison of forecast and observed traffic flows (% difference) – summer month
Journey time comparison - A30 eastbound – neutral month
Journey time comparison - A30 westbound – neutral month
Journey time comparison - A30 eastbound – summer month
Journey time comparison - A30 westbound – summer month
Journey time reliability – A30 eastbound - neutral month
Journey time reliability – A30 westbound - neutral month
Journey time reliability – A30 eastbound - summer month
Journey time reliability – A30 westbound - Summer month
Number of personal injury collisions before the project, during construction, and after the project opened.
View west from Cardinham junction to Preeze Cross
Gorse crowding out hawthorn and blackthorn in hedgerow near Cardinham junction
Pond B wildflower habitats establishing in some areas but gorse encroaching.