Petir Road is a road in Bukit Panjang, Singapore. It is in Postal District 23. It connects Upper Bukit Timah Road to Dairy Farm Road. In between, it branches to Jelebu Road, Gangsa Road, Pending Road, Cashew Road, Chestnut Avenue and Dairy Farm Walk. It passes the western edge of Bukit Panjang Neighbourhood 2 Park. Petir Park is on the south side of the road. The Bukit Panjang LRT Station and Petir LRT Station are along this road.