M40 J15 Longbridge Island
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Scheme Outline
Improvement to the existing roundabout interchange (currently featured in Bad Junctions) by providing a bypass for A46 traffic. The finished layout will effectively be a three-level stacked roundabout but instead of building the A46 flyover across the existing junction, it will be built slightly to the north-west.
Timeline
- 1991
- M40 opens, adding additional traffic to the roundabout without providing the grade separation it was built for.
Project Statistics
- Cost
- £57m
- Finance
- Highways Agency
- Estimated duration of works
- 2008-2010
Progress
- March 2008
- Work is now under way on this project, with the first phase to build the new bridge over the M40 north of the roundabout. The completion date is now estimated at 2010.
- January 2008
- The Secretary of State has now approved the scheme following the end of the public inquiry, and construction is now due to start in March 2008. It is thought that funding has been allocated but not formally announced yet.
- December 2005
- Work on the junction is now expected to commence in April 2007.
If you know more
If you have more details on this scheme - a correction to the information shown here or an update on the progress of works - please click here and share your knowledge.
With thanks to Peter Binnersley, Andy Johnson and Gerry McKenna for information on this page.

