A505 Dunstable Northern Bypass

Scheme outline

Construction of a new dual two lane road from the current terminus of the A505 north of Dunstable to a new junction 11a on the M1, with a connection to the planned A505 Luton Northern Bypass. Construction began in February 2015, with an estimated completion date of June 2017 at the latest, subject to successful bridge lifts and good weather.

The scheme is also known as the A5-M1 Link. On opening, it took the number A5, with the former A5 through Dunstable being downgraded.

This scheme was completed in and we're no longer accepting updates or changes to this page.

February 2015 - June 2017
Bypass or realignment
for use by all traffic
Highway authority
Central Government/Central Bedfordshire Council/Private Developer


15 December 2009

Draft Orders were published today, according to the Highways Agency.

11 January 2010

The draft orders and detailed plans for the scheme have now been published by the Highways Agency.

14 June 2010

The public enquiry has been postponed pending a financial review in the autumn.

30 October 2010

Following the autumn spending review, the DfT has decided to continue preparatory work on this scheme, with a view to starting construction after 2015.

24 September 2011

Construction may now start in 2014, after the Department of Transport confirmed the securing of £45m of private investment, to add to the £5m pledged by Central Bedfordshire Council. The public enquiry is now expected to start in early 2012.

18 November 2011

A local pre-enquiry meeting will take place on 13 December 2011.

9 December 2011

The public enquiry will start on 7 February 2012, it was announced today.

20 October 2014

As stated on the Highways Agency website, this scheme will begin construction this winter, site clearance and utility works have begun already.

10 March 2015

Public exhibitions are taking place on March 13 and 14, and main construction work will start on 17 March 2015, according to the Highways Agency website.

1 September 2016

Two bridges over the M1 near Dunstable will be demolished in September according to the Highways England website.

19 September 2016

Demolition of a bridge over M1 motorway took place overnight 10th-11th Semptember. The second bridge removal is planned for 24th-25th September.

15 May 2017

The new A5-M1 link road and its junction with the M1 were opened on 11 May 2017.

More information


With thanks to Peter Anderton, Anthony Griffiths, Janusz, Marco and Michael Pritchard for information on this page.