Ahmedabad Junction railway station, commonly known as Kalupur railway station, is the main railway station of Ahmedabad, Gujarat, India. It is also the biggest railway station within Gujarat and also one of the major railway station in India. It is the highest income-generating division in Western Railways. It connects to Mumbai, Chennai, Delhi, Howrah and other major cities of India. Also it is central railway station of Gujarat which connects to Saurashtra, Kutch, Vadodara, Surat, Himmatnagar, Palanpur, etc.

The Western Railway is one of the 19 zones of Indian Railways and is among the busiest railway networks in India, headquartered at Mumbai, Maharashtra. The major railway routes of Indian Railways which come under Western Railways are: Mumbai Central–Ratlam, Mumbai Central–Ahmedabad and Palanpur–Ahmedabad. The railway system is divided into six operating divisions: Ahmedabad, Vadodara, Rajkot, Bhavnagar, Ratlam, and Mumbai WR. Vadodara railway station, being the junction point for the Ahmedabad–Mumbai route and the Mumbai–Ratlam route towards New Delhi, is the busiest junction station in Western Railways and one of the busiest junctions of Indian Railways too, while Ahmedabad Division earns highest revenue followed by Mumbai Division and Vadodara Division. Surat railway station is one of the busiest railway station in Western Railway in non-junction category where more than 180 trains pass per day.