COIMBATORE: The State Highways Department commenced the preliminary works of widening the Siruvani Main Road from Kalampalayam to Madampatti into a four-lane road at an estimated cost of Rs 33.8 crore. Given this, the State Highways Department has decided to widen the road for a stretch of 5.2 km starting from Kalampalayam to Madampatti into a four-lane road along with …