Lok Ma Chau is the northwestern terminus in Lok Ma Chau on the Lok Ma Chau Spur Line, a branch line of the East Rail Line of Hong Kong's MTR network, which was built to alleviate the immigration checkpoint between Hong Kong and mainland China's Shenzhen at Lo Wu Station. The MTR Corporation is promoting the Lok Ma Chau Spur Line as a direct connection with Line 4 (Longhua) of the Shenzhen Metro which is also operated by the MTR Corporation.