ɪn tˈuː θˈaʊzənd wˈʌn, kˌeɪsˌiːˈɑːɹ kˌɔːɹpɚɹˈeɪʃən, ðˈɛn ˈɑːpɚɹˌeɪɾɚɹ ʌvðɪ ˈiːst ɹˈeɪl lˈaɪn nˈoʊn ðˈɛn sˈɪmpli æz "ˈiːst ɹˈeɪl", pɹəpˈoʊzd ɐ spˈɜː lˈaɪn ðæt wʊd ɹˈiːtʃ ðə lˈoʊk mˈɑː tʃˈaʊ tʃˈɛkpɔɪnt.
In 2001, KCR Corporation, then operator of the East Rail line (known then simply as "East Rail"), proposed a spur line that would reach the Lok Ma Chau checkpoint.