SDCC has carried out a survey of the condition of the cycling infrastructure in the County. It plans to carry out improvements at junctions in a small section of Lucan in 2023 as part of a series of wider works in the coming years.
More details and a questionnaire for residents here: https://consult.sdublincoco.ie/en/consultation/griffeen-cycling-improvement-scheme?fbclid=IwAR2MpPStn1J2oRviQSttZ5hIxe9YYd3yiiywtjstG1_mXAF--_R20JTPU74
The original survey presentation can be seen as a pdf document here:

Map above shows the proposed works area for 2023, which mainly covers Griffeen Road and Griffeen Way and one roundabout at Griffeen Avenue. See pdf for more details.