It happened on Monday at midday in the Forenaughts area.
There's a renewed appeal for information on road traffic incident involving a cyclist.
Gardai at Naas say the crash happened at on Monday at the T-Junction where the road from Forenaughts merges onto the L2019 at Haynestown Townland.
Any one who witnessed the incident, or who may have CCTV or dashcam footage, is being asked to come forward.
Gardai at Naas may be contacted on 045884300.

Call For Sanitary Bins In Men’s Toilets To Support Prostate Cancer Survivors
Own-Brand Foods Often Produced By Same Factories As Big Labels, Says Money Doctor John Lowe
Kfm Strengthens Position As Kildare’s Most Listened-To Station, According To Latest Ipsos/MRBI Report
Quarter Of Uisce Éireann Staff Earned Over €100k Last Year
Meath Bird Flu Case Prompts Warning, But Chicken And Turkey Safe To Eat, Says Agriculture Minister
One-Month Road Closure In Catherinestown To Start Next Week To Facilitate Maynooth Pipeline Works
Commuter Chaos On M7/N7 Renews Calls For Standby Emergency Response Team During Morning Gridlock
Thousands Of Workers Could Get Tax Back In Time For Christmas, Says Financial Advisor