Thanaleng Railway Station, also known as Dongphosy Station (Ban Dong Phosy in Lao), is a railway station in Dongphosy village, Hadxayfong district, Vientiane Prefecture, Laos. It is located 20 km (12 mi) east of the Lao capital city of Vientiane and 4 km (2.5 mi) north of the border between Laos and Thailand along the Mekong River.
The station opened on March 5, 2009, becoming part of the first international railway link serving Laos. Originally intended for use as a passenger station, Lao officials have stated their intention to convert it to a rail freight terminal to provide a low-cost alternative to road freight, the main mode of transport for goods entering Thailand. The station provides a connection between Vientiane and the capital cities of three other ASEAN nations (Thailand, Malaysia and Singapore), and several major Southeast Asian ports