N4 Carrick on Shannon
- Published on: 16 February 2018
- Last updated on: 11 April 2025

This objective of this road development project is to improve the capacity and journey time on the N4, improve access to the West and North West and to relieve traffic congestion in Carrick on Shannon. It is planned to move the project through the appraisal and planning stages in 2018.
See Project Ireland 2040 (PDF, from page 41) for the full detail.