The main mode of transport is by bus since it is economical, and well connected by road. A State highway and two District State highways pass through by Kalavai. There are frequent buses to almost parts of Tamil Nadu. Buses depart every 15 to 20 minutes from Kalavai to Arcot town and there are also buses to Kancheepuram, Bangalore, Chennai, Cheyyar, Arni, Pondycherry, Vandhavasi, Vazhapanthal. There are lot of private bus operators as well, who provide services on local and short-distance routes. The nearest railway station to Kalavai is Walaja Road, which is around 30 km from Kalavai. There are buses (Route 30,34 And Short Cut) between Arani and Kancheepuram very frequently and also straight buses Available. The local bus from Arcot to Kalavai is route no.30,31,32,34,41,42. Buses depart every 20–30 minutes from Arcot Town to Kalavai.