Roadworks information: A414 / M1 to Park Street Roundabout

Highways England plan to complete essential resurfacing work to the A414 eastbound between the M1 and Park Street Roundabout, planning to complete this work over 3 weeks from Monday 14 February to Monday 7 March, weather conditions permitting.

Closures and diversions

To carry out this work safely, the A414 eastbound will be closed overnight Monday to Thursday from 9pm to 5am, as well as full weekend closures from 9pm on Friday to 5am on Monday for the duration of the work.

While the A414 is closed, drivers will be diverted along a well-signed diversion route as follows:

Eastbound traffic will be diverted via Breakspear Way, St Albans Road, Two Waters Road, A41 Watford Road and A405 North Orbital Road to re-join the A414 at Park Street Roundabout.

How to find out more about road improvements across the East of England: please visit

Or, please telephone 0300 123 5000, or email