The town plays an important role in the transportation of both passengers and cargo because it serves as the gateway for all traffic crossing the Pakistan-China border.

The Pakistani immigration and customs departments are based in Sost, making it a pivotal point for border clearance and administrative procedures.

It serves as a critical hub for customs clearance and other necessary formalities for goods moving from the city of Kashgar and the surrounding Xinjiang autonomous region in China to various commercial centers in Pakistan.

To the south, it connects to Gulmit, Aliabad, Gilgit and Chilas while in the north, it provides access to the Chinese cities of Tashkurgan, Upal and Kashgar, thereby enhancing trade and transportation routes in the region.

The Sost dry port is connected by the Karakoram Highway to Gulmit, Aliabad, Gilgit and Chilas on the south and to the Chinese cities of Tashkurgan, Upal and Kashgar in the north.