Ongar Barnhill Road

The Ongar to Barnhill Road will be constructed south of Ongar and will provide improved access to Barnhill LAP (Local Area Plan) lands, where circa 1200 new homes will be built in the coming years.

The 1.9kms of road will include the construction of a new bridge over the Clonsilla-M3 Parkway rail spur, 1km of dual carriageway road embankment, 0.9km of single carriageway, 2 new crossroads with traffic lights and 3 new roundabouts.

Contractor BAM Civil Ltd will carry out this work on behalf of Fingal County Council with a projected completion date in late 2025.

Progress Updates

Update 25 February 2025

• Project completion expected in Q3 2025.
• Service infrastructure installation progressing.
• Footpath/ Cycle track construction nearing completion.
• Drainage network sitewide nearing completion.

​​​Key Construction Activity Milestones

• Pavement construction has commenced sitewide.
• R149 junction works have commenced.  

Current and Immediate Upcoming Works 

Updated 25 February 2025

Three Month Look Ahead:

• Installation of services following completion of associated infrastructure.
• Complete road pavement sitewide.
• Complete tie-ins to existing road networks at Barnwell Rd, the R149 and Barberstown Lane South.
• Complete site utilities and public lighting infrastructure
• Complete landscaping, road markings and signage.

Providing Sustainable Transport into the Future

The Ongar to Barnhill Road will provide a route for walking, cycling and travel by road. 

The route will not only link the two local areas together for better access to schools, homes, amenities and shopping. It will also link to the Royal Canal Greenway and to the Damastown Clonsilla Cycle Route, forming an important part of the Greater Dublin Area (GDA) Cycle Network.