An addendum was made on 6 September 2011, to add new rail routes for facilitating overland transit traffic between Bangladesh and Nepal.

To ensure expeditious and smooth flow of such movement, necessary infrastructural facilities shall be provided by the two Parties within their respective territories.

In this case, both the routes (proposed and the existing) shall be used for Nepal Transit Traffic by rail for additional operating convenience.

"[9] Bangladesh started export of fertilizer to Nepal utilizing the Rohanpur-Singhabad transit point in November 2011.

The 9 km long track from Biral to the Bangladesh-India border is being converted to broad gauge at a cost of Tk 9.81 billion by the Western Zone of Bangladesh Railway.