Hertfordshire - Temporary Traffic Restrictions & Road Closures Due To Infrastructure Works

NATIONAL HIGHWAYS
Road Traffic Regulation Act 1984 - Section 14(1)(A) And (7) And Paragraph 27(1) Of Schedule 9 - The A414 Trunk Road (M1 Junction 8, Hemel Hempstead To Park Street Roundabout, St Albans, Hertfordshire) (Temporary Restriction And Prohibition Of Traffic, Cyclists And Pedestrians) No.3 Order 202_

NOTICE IS HEREBY GIVEN that National Highways Limited(a) intends to make an Order on the A414 in the County of Hertfordshire to enable infrastructure works to Park Street Roundabout, a section of the A414 and Parkwood Footbridge to be carried out in safety.

The works are expected to last until September 2027, continuing on or after Monday 23 November 2026.

The restrictions and prohibitions will be applied only to the extent that is necessary for works to be undertaken and will only apply during such times and to such extent as shall be indicated by traffic signs.

The Effect Of The Order On The A414 Would Be –
1. To impose, for 24 hours daily, a speed restriction of 40mph or 50mph on the –
- Eastbound carriageway for 3300m west of its junction with Park Street Roundabout to 1400m west of the roundabout.
- Westbound carriageway for 500m west of its junction with Park Street Roundabout to 2400m west of the roundabout.

2. To impose, for 24 hours daily, a speed restriction of 40mph on the -
- Eastbound carriageway for 1400m west of its junction with Park Street Roundabout to the roundabout.
- Westbound carriageway from its junction with Park Street Roundabout to 500m west of the roundabout

3. To impose, for 24 hours daily, a speed restriction of 50mph on the eastbound carriageway from where it diverges from the entry slip road to the southbound carriageway of the M1 at Junction 8 to 3300m west of its junction with Park Street Roundabout.

4. To close overnight (8:00pm – 6:00am) and for some full weekends (8:00pm Fri – 6:00am Mon) the A414 –
- Eastbound carriageway from where it diverges from the entry slip road to the southbound carriageway of the M1 at Junction 8, to its junction with Park Street Roundabout, and
- Westbound carriageway from its junction with Park Street Roundabout to its merge with the exit slip road from the northbound carriageway of the M1 at Junction 8.

5. To put in operation a contraflow at times (for 24 hours daily) on the eastbound and westbound carriageways between a point 1900 metres west and 500 metres west of its junction with Park Street Roundabout.

6. To close, for 24 hours daily, the Parkwood Footbridge passing over the A414.

A vehicle width restriction of 2 metres will be in place at times on the offside lane of the A414 –
- Eastbound carriageway from 2400 metres west of Park Street Roundabout to its junction with the roundabout, and
- Westbound carriageway from its junction with the western side of Park Street Roundabout for 2200 metres.

During width restrictions and contraflow, the A414 would be closed to cyclists on both carriageways between the Hemel Hempstead (Phoenix Gateway) Roundabout and Park Street Roundabout.

Diversions, for closures on the A414 –
- For non-motorway traffic: travelling eastbound - from M1 Junction 8 take the A414 St. Albans Road, head south on the A41, then northeast on the A405 North Orbital Road to Park Street Roundabout: Vice versa for traffic travelling westbound, or
- For motorway traffic: travelling eastbound – continue on the M1 to junction 6 and join the A405 North Orbital Road to Park Street Roundabout: Vice versa for traffic travelling westbound.

The temporary mandatory speed limit (which will not apply to emergency service or special forces vehicles) closures (which will not apply to emergency service, traffic officer, works or winter maintenance vehicles) and diversion routes will be clearly indicated by traffic signs.

The Order will revoke The A414 Trunk Road (M1 Junction 8, Hemel Hempstead to Park Street Roundabout, St Albans, Hertfordshire) (Temporary Restriction and Prohibition of Traffic) No.2 Order 2026 No 0976.

The Order will come into force on 23 November 2026 and may continue in force until the works detailed above have been completed, or for a maximum duration of eighteen months, whichever is the earlier.

L Walton,
National Highways Limited,
(a) Registered in England and Wales under company no. 9346363.
Registered Office: Three Snowhill, Snow Hill Queensway, Birmingham, B4 6GA.

General Enquiries relating to this notice may be made in writing to: Mindy Bhogal, at: National Highways, Priory Court, Priory Business Park, Bedford, MK44 3WG, by email to: Mindy.bhogal@nationalhighways.co.uk, or by telephoning 07710 069152.