Author: Irene - Parish Clerk

Dear Stakeholder

Please find below details of works being carried out on the A21/A25.

We’re fully refurbishing the deck of the Westerham Road overbridge that goes over the A21.

Works include:

• waterproofing
• duct and verge replacement
• resurfacing

Closures

To do this work safely, we’ll use a mix of overnight and full weekend closures from Monday 23 September.

We’ll only be closing:

• the bridge deck over the A21
• south or northbound off slips to the bridge

Westbound Riverhead bridge over the A21 and southbound off slip closures

• overnight between 8pm and 6am for 7 consecutive nights from Monday 23 to Sunday 29 September
• weekend closure from 8pm Friday 4 October to 6am Monday 7 October
• overnight 8pm to 6am Saturday 12 and Sunday 13 October
• weekend closure from 8pm Friday 15 November to 8pm Sunday 17 November.

During westbound closures there will also be a lane closure on the eastbound side for safety.

Eastbound Riverhead bridge over the A21 and northbound off slip closures

• overnight between 8pm and 6am for 7 consecutive nights from Monday 14 October to Sunday 20 October. On 18, 19 and 20 the closure time starts at 10pm
• weekend closure from 8pm Friday 25 October to 6am Monday 28 October
• overnight between 8pm and 6am between Monday 28 October and Wednesday 30 October
• weekend closure from 8pm Friday 22 November to 8pm Sunday 24 November.

During eastbound closures:

• there will also be a lane closure on the westbound side for safety
• A21 Sevenoaks Bypass north and southbound exit slip roads will also be closed along with a northbound lane closure
• southbound exit slip closure will not be closed during 14 to 18 October closures.

Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England site. Our travel alerts give details of live incidents on our network.

Diversions

Westbound diversion

• by Westerham Road southbound entry slip onto the A21 Sevenoaks Bypass
• down to A21 Morleys Roundabout
• back up to Westerham Road northbound exit slip.

Westbound diversion map.

Eastbound diversion

• by Westerham Road northbound entry slip onto the A21 Sevenoaks Bypass
• up to M25 Junction 4
• back to Westerham Road SB exit slip

Eastbound diversion map.

Eastbound closures – non-motorway traffic

There will be a non-motorway traffic diversion during the eastbound closures via the B2211 and the A224.

We will return to complete our works in the Central Reservation in 2025.

To keep up to date with these works, please use the link below to the webpage and scroll down to A21/A25 Riverhead Deck Refurbishment

https://nationalhighways.co.uk/our-roads/south-east/south-east-maintenance-schemes/

Kind regards

Area 4 Communications

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