Between 1900 and 1915 additional tracks were built for local traffic with the existing tracks being reserved for through trains . Between 1900 and 1915 , additional tracks were built for local traffic , with the existing tracks reserved for transit trains .
Antara 1900 dan 1915 trek tambahan dibina untuk trafik tempatan dengan trek sedia ada disediakan melalui kereta api. Antara tahun 1900 dan 1915, trek tambahan dibina untuk trafik tempatan, dengan trek sedia ada dikhaskan untuk kereta api transit.