Arakkonam Junction railway station is a railway station in Vellore District, Tamil Nadu. It is one of the oldest railway station in India, this station is located on south India first railway line. Its located on Guntakal-Chennai Egmore section of Mumbai-Chennai line of the Southern Railway zone.Loco shedArakkonam has an electric loco shed that holds 195 locos, which include WAP-1, WAP-4, WAM-4, WAG-5 and WAG-7 locos.