Frequently Asked Questions

The project aims to improve the section of the N4 between Mullingar and Longford (Roosky), including the assessment of alternatives. This 52km section of the N4 is currently a single carriageway road that passes through or close to several settlements, including Ballinalack, Rathowen, Edgeworthstown, Longford and Newtownforbes.

Due to the measures taken in light of the Covid-19 outbreak, it is not possible to arrange a formal event in the local area at this time.

Instead a brochure containing information about the project has been produced.  This will be delivered throughout the Study Area and is available to download from this website to facilitate participation in the consultation (refer to Publications Tab).

A questionnaire has also been produced for the public to have their say on the project.  This will be delivered throughout the Study Area with our brochure.  Members of the public will also be able to make their submission online through this Project Website.

Once the Covid-19 restrictions are relaxed, maps of the study area will be available for viewing by appointment in the dedicated project office located in Lough Sheever Corporate Park in Mullingar.

Westmeath County Council have recently commissioned consulting engineers, ROD-AECOM, to progress the project development.

Various specialists have been engaged and we are in the process of identifying Constraints within this Study Area including:

  • Natural Constraints (naturally occurring landscapes and features, including underground features)
  • Artificial Constraints (forming part of the built environment including underground features, e.g. disused landfills)
  • External Parameters (design standards, policy, procedural, financial, and legal issues)

This first non-statutory public consultation is seeking your feedback on the study area and the constraints within it.

The N4/M4 national primary route is 198km in length and connects Dublin (M50) to Sligo.  The route passes through the counties of Dublin, Kildare, Meath, Westmeath, Longford, Leitrim, Roscommon and Sligo and provides connectivity and accessibility between various towns and villages it serves.

This section of the N4 between Mullingar and Longford (Roosky) is operating with traffic levels in excess of those catered for by the current road cross section.  Safety is compromised with over 500 at-grade junctions and private accesses along this section of the N4.

This project intends to support the economic performance of the local and wider North-West region through the provision of improved transport infrastructure, whilst minimising the environmental impact of the transport intervention.

The project is referenced in a number of policy documents including but not limited to Project Ireland 2040 National Planning Framework (2018) and Project Ireland 2040 National Development Plan (2018 – 2027) however the advancement of the project is subject to ongoing funding and statutory approvals.

The TII Project Management Guidelines (PMG) informs the design process. A study area has been defined and constraints are being identified at present.  A period of non-statutory public consultation is now open and will close on the 26th June 2020.  A questionnaire is available to submit online in the Public Consultation Tab of this website.  Alternatively, this can be downloaded in the Publications Tab and submitted to our Project Office.

Westmeath County Council/Longford County Council Planning Department have the responsibility for planning and managing development within the Counties.  New planning applications within the study area may have an impact on the delivery of this future project.  Planning applications and new developments may still be granted within the study area, however as some planning applications may affect the project all relevant planning applications will be reviewed by the design team.  Each application will be considered on a case by case basis.

Each planning application within the previous N4 Mullingar to Longford (Roosky) preferred route corridor will continue to be reviewed on a case-by-case basis.

National transport planning is focused on improving transport systems through a Common Appraisal Framework based on six criteria:

  • Economy;
  • Safety;
  • Environment;
  • Accessibility and Social Inclusion;
  • Integration; and
  • Physical Activity (where applicable)

Appraisal Heading



  • To support the economic performance of the local and wider North-West region through the provision of improved transport infrastructure which will reduce the cost of travel for communities, businesses, visitors and tourists and assist in reducing the overall cost of production thereby improving competitiveness.


  • To reduce the frequency and severity of collisions by providing safer transport for all.


  • To minimise where possible the environmental impact of the transport intervention.
  • To improve air quality in the various settlements along the corridor.
  • To reduce the level of noise in the various settlements along the corridor.

Accessibility & Social Inclusion

  • To improve accessibility to key facilities, such as employment, education and healthcare for all transport users, but in particular vulnerable groups.
  • To reduce travel costs in the region and thereby encourage and support investment and employment in the wider region.


  • To improve the connectivity and coherence of the national and Trans-European Transport networks.
  • To improve transport links between the Greater Dublin Area and North West of Ireland.
  • To be compatible with land use objectives as set out in regional and local land use plans.

Physical Activity

  • To provide opportunities for Non-Motorised Users as part the transport intervention.

In accordance with TII Project Appraisal Guidelines, objectives for the project have been established in the context of these six criteria. These objectives will be refined as the project progresses and more information becomes available. These Project Objectives are contained in the Phase 1 Project Brief which is available to download here.

This website uses cookies to improve your website experience and provide more personalized services to you. To find out more about the cookies we use, see our Privacy Policy.