29 July 2020
Works are due to take place on the bridge structure along the B556 Cecil Road, which crosses over the A1(M), near Potters Bar and South Mimms.
A full closure of the Cecil Road Flyover will be required, between 10pm and 5:30am, from Monday 10 August until Monday 17 August.
Signed diversions will be in place for motorway and non-motorway traffic. If this affects your journey to our hospitals or sites, please plan your journey ahead and allow more time.
If you have any questions, please contact the Highways England Customer Contact Centre on 0300 123 5000, available 24 hours a day.