Services use the East Rail Line in Hong Kong, cross the boundary between Hong Kong and mainland China at Lo Wu and then continue along China's railway network via the Guangshen railway and the Jingguang railway to Beijing.
In the MTR system of Hong Kong, Lo Wu and Lok Ma Chau Station of East Rail Line serve as checkpoints for rail passengers between Hong Kong and mainland China and vice-versa.
Passengers wishing not to enter the Boundary Area illegally by proceeding to Lo Wu or Lok Ma Chau without a Closed Area Permit, valid passport and visa, or without the intention of crossing over to Shenzhen must disembark here.