Jammu Tawi railway station (station code JAT) is the largest and most important railhead in Jammu and Kashmir, serving as the primary gateway for tourists visiting the Jammu Region, Kashmir Valley and pilgrims heading to Shri Mata Vaishno Devi Katra Jammu.

This station is part of Northern Railway Zone's Jammu Division and the Jammu–Baramulla line via Shri Mata Vaishno Devi Katra - Srinagar.

It is also part of the Jalandhar–Jammu line and Amritsar–Jammu main line.

This station is a category (NSG 2) in Northern Railway.

Jammu Tawi Railway station is a high-revenue station, serving over 40,000 passengers and over 50 Mail/ Express and almost 10 Passenger train on daily basis. It is under the administrative control of the Northern Railway zone's Jammu railway division.

Jammu Tawi is well connected with many important cultural cities such as Delhi, Mumbai, Kolkata, Chennai, Chandigarh, Jaipur, Ahmedabad, Pune, Bhopal, Lucknow, Varanasi, Jaunpur, Kanpur, Patna, Guwahati, Jamshedpur, Rameswaram, Tiruchirappalli, Bengaluru, Jodhpur, etc.

The third longest running train in India, in terms of time and distance, the Himsagar Express that goes to Kanyakumari, Tamil Nadu in 70 hours, used to originate from here. Now it originates from Shri Mata Vaishno Devi Katra railway station. Most premium express train of India, Vande Bharat Express, makes a stop here.

The Pre-Partition Era (1890–1947)