Services between the two countries were suspended in 1946, when the French Indochinese government resumed sovereignty of the Sisophon area, and never restarted.

In 2007 the Asian Development Bank and the Organisation of Petroleum Exporting Countries (Opec) agreed to lend Cambodia $US 80m with the aim of completing the project by 2010, but progress was stifled by a trade dispute and the expiry of the existing bilateral treaty for building the line.

Cambodia's railway network is currently isolated from those of neighbouring countries, although there are plans to build a 225km link east from Phnom Penh to Loc Ninh in Vietnam.