We have been advised of the following road closures by Hertfordshire Highways:

A405 North Orbital Road will be closed 9.30pm – 5.00am for 4 weeks starting on Monday 22 March.

2 Phases:
PH1: M10/A414 Rbt – Tippendell Lane Rbt, PH2; Noke Rbt – M25 J21a
Working Hours: 9.30pm-5.00am
Main Diversion: M25 J21a to J22, A1081 London Colney Bypass, A414 North Orbital Road, A405 North Orbital Road (and vice versa).

Non-Motorway Traffic Diversion: PH1 – A5183 Watling St / B4630 Watford Rd.

PH2: A5183 Watling Street / Park St / Frogmore / Radlett Rd, B462 Watford Rd / Radlett Rd / Hartspring Lane, A41 Otterspool Way / Colne Way / North Western Avenue, A412 St. Albans Rd, A405 North Orbital Road.

Noke Lane Diversion: Furzebushes Lane, Chiswell Green Lane, B4630 Watford Rd, Tippendell Lane.
Lye Lane Northbound – Lye Lane, West Riding, Park Street Lane, Tippendell Lane.
Lye Lane Southbound – Lye Lane, West Riding, Mount Pleasant Lane.

A1(M) Junctions 3 and 4 (Hatfield Tunnel) will be closed 10pm – 5.00am on Wednesday 24th and Thursday 25th March 2010
Signed diversions will be in place via the A1001.

If you have any questions relating to these works, please contact Hertfordshire Highways on 01438 737320