Barrackpore Trunk Road, commonly known as BT Road, is six-laned trunk road in Kolkata metropolitan area, West Bengal, India. It connects Kolkata with its suburb Barrackpore. Built in 1775, it is the oldest metalled road and one of the busiest roads in the country. The 18.1 km (11.2 mi) long road is a part of both State Highway 1 and State Highway 2.

Barrackpore is a city and a municipality of north suburban Kolkata and situated in North 24 Parganas district in the Indian state of West Bengal. The area is covered by Kolkata Metropolitan Development Authority (KMDA). It is the administrative headquarters of the Barrackpore subdivision.