Arakkonam Junction railway station

Arakkonam Junction railway station (station code: AJJ ) is an NSG–2 category Indian railway station in Chennai railway division of Southern Railway zone. It is located in Ranipet district of Tamil Nadu. It is one of the oldest railway stations in India, located on the first railway line in South India. It is located on the Guntakal–Chennai Egmore section of Mumbai–Chennai line.

Routes having quadruple tracks

 * The South Line, Chennai Suburban between Chennai Beach and Chengalpattu.
 * The West Line, Chennai Suburban between Chennai Central and Arakkonam Junction

Projects and development
It is one of the 73 stations in Tamil Nadu to be named for upgradation under Amrit Bharat Station Scheme of Indian Railways.

Loco shed
Electric Loco Shed, Arakkonam is a motive power depot performing locomotive maintenance and repair facility for electric locomotives of the Southern Railway zone in Tamil Nadu, India. It is one of the three electric locomotive sheds of the Southern Railway, the others being at Erode (ED) and Royapuram (RPM) and is the oldest in south India. As of 1 November 2020 there are 184 locomotives in the shed mainly WAP-4, WAG-5 HA and WAG-9H 184 locos near the station. It is also one of the last sheds to home the hugely successful WAM-4 class locomotives.