Editing M1 motorway (section)

=== A421 dualling from Milton Keynes to M1 junction 13 ===
In conjunction with the [[M1 motorway#Recent developments|M1 widening schemes]] and dualling of the A421 between M1 junction 13 and the A1 near St Neots, proposals were made to widen the A421 between the M1 junction 13 in Bedfordshire and the Kingston roundabout in Milton Keynes.<ref name=SEERA1>
{{cite web
 |url=http://www.southeast-ra.gov.uk/documents/factsheet/03.pdf
 |archive-url=http://webarchive.nationalarchives.gov.uk/20100702205428/http://www.southeast-ra.gov.uk/documents/factsheet/03.pdf
 |url-status=dead
 |archive-date=2 July 2010
|title=A421 Milton Keynes to M1 
 |publisher=[[South East England Regional Assembly]] 
 |access-date=22 July 2009 }}</ref> Exhibitions were held in June 2005 which rejected proposals to re-route the road in favour of widening the current road. In 2005, the project was given an estimated total cost of £33{{nbsp}}million.<ref name="BLTP1">
{{cite web |url=http://bedfordshire.gov.uk/ltp/section_15.html |title=Bedfordshire Local Transport Plan 2006/07 – 2010/11 – Major projects |publisher=Bedfordshire County Council |archive-url=https://web.archive.org/web/20160305233217/http://bedfordshire.gov.uk/ltp/section_15.html |archive-date=5 March 2016 |url-status=dead |access-date=9 December 2008}}</ref>

Funding of £23.5{{nbsp}}million was confirmed by the government for these works, as part of the [[South East Midlands Local Enterprise Partnership]] "Local Growth Deal".<ref>{{cite news|title=£23.5million project unveiled to upgrade A421 to dual carriageway |url=http://www.miltonkeynes.co.uk/news/local/23-5million-project-unveiled-to-upgrade-a421-to-dual-carriageway-1-6161006|work =Milton Keynes Citizen |access-date=27 January 2015 |date=7 July 2014}}</ref> As part of the government's [[Traffic bottleneck|pinch point]] reduction programme,  work commenced in 2014 on the A421 in Milton Keynes to improve the Kingston roundabout, and dual the section from it to (near) the Bedfordshire border, with the construction of two new roundabouts on the route. The road corridor includes a separate [[cycleway]].<ref name="Citizen 141220" />

The upgrade work for this final phase of the plan, the section running from junction 13 to [[Eagle Farm, Milton Keynes|Eagle Farm]] roundabout, started in September 2018 and was completed in December 2020.<ref name="Citizen 141220">{{cite news| title= Multi-million pound project improving road link between Bedford and Milton Keynes complete | url= https://www.miltonkeynes.co.uk/news/transport/multi-million-pound-project-improving-road-link-between-bedford-and-milton-keynes-complete-3067197 | author= Logan MacLeod | date= 14 December 2020 | access-date= 14 December 2020 | work = [[Milton Keynes Citizen]]}}</ref>