Weekend road closure to facilitate Uisce Eireánn works in Kildare

A temporary road closure to facilitate Uisce Eireánn upgrade works will take place in County Kildare this weekend.

Kildare County Council explained: “The R405 Maynooth Road in Celbridge, between Kilwogan Lane and the northern junction of Crodaun Forest Park, will be closed from Saturday, September 12, 2026 at 7am to Sunday, September 13, 2026 at 11.30pm (24 hours a day) in order to facilitate Uisce Éireann's Crodaun Wastewater Network Upgrade Project.”

“Signed diversions will be in place, and local access will be maintained”, KCC added.

KCC also noted that Dublin Bus route diversion information for the C4 and the L59 can be found at the following links:

• https://www.dublinbus.ie/news/diversion-on-route-c4
• https://www.dublinbus.ie/news/diversion-on-route-l59

ALTERNATIVE ROUTES

Furthermore, KCC listed alternative routes while the road closure is enacted.

For those heading North bound on R405:

• Take a left at Celbridge Garda Station / Costa Coffee onto the R449 and continue for 5.3 kilometres (km) until you come to the Barberstown roundabout
• Take the third exit off the roundabout onto the R406 towards Maynooth
• Continue on the R406 for 4.8km until you reach a roundabout and take the second exit to stay on the R406 towards Maynooth
• Continue for 1km until you reach the Maxol Petrol Station at the R405 junction and take a right onto the R405 towards Celbridge
• Continue on the R405 for 3.5km until reach the R449 roundabout
• Take the second exit off the roundabout to stay on the R405 where the diversion ends

And for those heading South Bound from R449:

• When you reach the roundabout at the R405 junction, take the second exit onto the R405 towards Maynooth
• Continue on the R405 for 3.5km until you reach the Maxol Petrol Station at the R406 junction and take a left onto R406 towards Naas
• Continue for 1km until you reach the roundabout south of the M4 motorway and take the second exit to stay on the R406 towards Naas
• Continue on the R406 for 4.8km until you reach the Barberstown roundabout and take the first exit onto the R403 towards Celbridge
• Continue on the R403 for 5.3km until you reach the Maynooth Rd. junction (R405) and take a left onto the R405 towards Maynooth where the diversion ends

Lastly, for those travelling South Bound from the R405:

• When you reach the roundabout at the R405 junction with the R449, take the third exit onto the R405 towards Maynooth
• Continue on the R405 for 3.5km until you reach the Maxol Petrol Station at the R406 junction and take a left onto R406 towards Naas
• Continue for 1km until you reach the roundabout south of the M4 motorway and take the second exit to stay on the R406 towards Naas
• Continue on the R406 for 4.8km until you reach the Barberstown roundabout and take the first exit onto the R403 towards Celbridge
• Continue on the R403 for 5.3km until you reach the Maynooth Rd junction (R405) and take a left onto the R405 towards Maynooth where the diversion ends