Road transport is the most accessible mode to reach Kanchipuram. The Chennai - Bangalore National Highways, NH4 passed on the outskirts of Kanchipuram. The Tamil Nadu State Transport Corporation runs daily services connecting various cities to Kanchipuram, the notable being Chennai, Bangalore, Villupuram, Tirupathi, Thiruthani, Tiruvannamalai, Vellore, Salem and Pondicherry. There are couple of bus routes to Chennai, one connecting via Guindy and the other via Tambaram. The Tamil Nadu State Transport Corporation, Villupuram division operates the local transport buses within the city.
The Chengalpet - Arakkonam railroad passes via the town and there is suburban connectivity between Chengalpet and Arakkonam. Kanchipuram has daily trains to Pondicherry and Tirupathi passing on either sides, a weekly express train to Madurai and a bi-weekly express train to Nagercoil. A couple of passenger trains from both sides of Chengalpattu to Arakkonam pass via Kanchipuram. The nearest domestic as well as international airport is Chennai International Airport at a distance of 72 km from the town
