The woman, who was in her 40s, was struck at Ballyhagan in Carbury yesterday evening.
Gardai and emergency services attended but she was pronounced dead at the scene - the car's occupants were uninjured.
The woman's body has been taken to Naas General Hospital where a post mortem will take place.
Gardai are appealing for witnesses to contact them.
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The east coast railway protection plan could now be reconsidered according to reports
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Gardaí are appealing for witnesses to come forward.
Warning & Scam Alert From Wicklow County Council
Note: all council employees carry valid ID
Sunny intervals
High: 17°C | Low: 13°C
Sunny intervals
High: 17°C | Low: 13°C
Sunny intervals
High: 17°C | Low: 12°C
Sunny intervals
High: 16°C | Low: 12°C
Light rain
High: 16°C | Low: 12°C
