N4 Collooney to Castlebaldwin Road Development Project
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Project Type
Roads / Bridges
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Client
Sligo County Council
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Company Involvement
Design and Construction of the Project
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Form of Contract
Public Works Contract for Civil Engineering Works Designed by the Contractor (PW-CF4)
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Dates
January 2019 – July 2021
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Location
This project commences at the southern end of Sligo in the townland of Collooney heading towards Castlebaldwin
Key Features
- 12.12km of offline realignment from Doorly Td. to Cloghoge Lower Td
- 2.58km of widening and improvement of the existing N4 single carriageway to a Type 2 Dual Carriageway
- Major Earthworks including excavation of 700,000m3 peat & silts
- New side roads and upgrading of existing local roads
- 1 no. Compact Grade Separated Junction on the mainline, (Drumfin/Cloonlurg Junction)
- 1 no. at-grade roundabout Junction on the mainline, (Castlebaldwin Junction)
- 3 no. roundabout Junctions on sideroads
- 4 no. road overbridges, 6 no. road underbridges, 2 no. river bridges
- Culverts and associated diversions of existing minor watercourses and drainage ditches
- All necessary drainage works, diversion of services and utilities, environmental mitigation works and accommodation tracks
