Arakkonam Jn. --- It is one of the busiest & third largest railway junction in Vellore district next to Katpadi Jn. and Jolarpettai Jn. The station is located on Chennai-Bangalore-Coimbatore and Tirupati lines. Mostly all trains stop at this junction, except some super fast trains. The town has one of the biggest workshops for Southern Railway, known as the Engineering Workshop (EWS). Arakkonam earlier had a steam loco shed & now has an Electric Loco Shed. The ELS currently holds 89 nos. of WAG5 class locos, 35 nos. of WAG7 class locos, 33 nos. of WAP1 class locos & 12 nos. of WAM4 class locos. There is a frequent EMU service also available towards Chennai. The station is served by 8 platforms having stoppage for nearly 117 trains. Photo by Ramadurai R. Station code - AJJ.