Explanation:

Gwalior is a major railway junction in the Northern central region. The Gwalior Junction (Station code: GWL) is the part of the North Central Railways. Gwalior is one of the few places where both narrow gauge and broad gauge railways tracks are operational. Gwalior is the terminus for the longest narrow gauge route operating in the world, covering a distance of 198 km from Gwalior Junction to Sheopur. Gwalior Junction is a five railway track intersection point. It won an award for the best and cleanest station of North Central Railway zone.