The road is set to be closed from 5:30am on Friday (31/1) until 5:30 on Saturday morning (1/2) for on-going HS2 work. Train journeys to London will also be disrupted.
The London Road from Rocky Lane to Nash Lee Road roundabout will be closed, as will Dunsmore Lane. The Wendover Bypass will have a southbound closure in place, and the Missenden Bypass will be closed northbound.
The work will see steel beams pushed into place for the Small Dean Viaduct.
The official diversion will take motorists via Princes Risborough and High Wycombe. There's more from HS2 below.
Chiltern Railways have also advised passengers that the work will lead to changes to their timetable. There will be no services between London and Aylesbury this weekend (Saturday 1 and Sunday 2 February). As a result of the planned engineering works, the railway is closed between Great Missenden and Aylesbury all weekend. No Chiltern Railways train services will operate between Marylebone and Aylesbury Vale Parkway (via Amersham). Rail replacement buses will operate in both directions as follows, connecting with London Underground Metropolitan Line services to/from Baker Street at Amersham. Customers are advised to:
- Allow extra time for their journey
- Book tickets in advance via the website or Chiltern App
- Check their journey before travelling