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► N5 Charlestown Bypass


The scheme extends from the eastern end of the Swinford Bypass to east of the Mayo/Roscommon border and bypasses both the town of Charlestown and the village of Carracastle, following a route to the south of the existing N5.

The project comprised of the design, execution and completion of approximately 18.2 km of single carriageway and 5 km of single carriageway slip roads, side roads and link roads.

The N5 Charlestown Bypass forms part of the N5 National Primary route between Westport and Longford. The scheme was officially opened to traffic on 2 November 2007.

This project has been funded by the Irish Government under the National Development Plan and Transport 21 and by the European Union from the European Regional Development Fund


  Mainline Length:   18.2km
  Contractor:   SIAC Wills JV
  Date of Commencement on Site:   March 2006
  Date of Road Opening:   November 2007
  Current Project Phase:   Complete
  Map of Scheme   Click Here

Engineers Ireland Department Of Transport Mayo County Council National Roads Design