Ref: ISBN 978-1-5286-3458-8, HC 4282022-23https://www.orr.gov.uk/sites/default/files/2022-07/annual-assessment-of-national-highways-performance-2022-web_0.pdf
Ref: ISBN 978-1-5286-3458-8, HC 4282022-23https://www.orr.gov.uk/sites/default/files/2022-07/annual-assessment-of-national-highways-performance-2022-print.pdf