You can take the following buses to CRC Clondalkin.
51 | 51B | 51C | 51X | 68 | 69 | 76 | 76A | 76B | 210
They regularly depart from Aston Quay in the city centre.
For details check out www.dublinbus.ie
Take the Red line and depart at the Red Cow luas stop.
Cross the pedestrian bridge and take one of the following buses to Clondalkin village.
51 | 51B | 51C | 51X | 68 | 69 | 69X | 210
For details check out www.luas.ie