Tseung Kwan O line the morning peak period, the Tseung Kwan O line uses 15 trains to maintain a frequency of 2.5 minutes betweem Tsemg Kwan O and North Point. The Tseung Kwan O line is the first MTR line with no tracks on viaducts. It was the only line with tracks completely in tunnels until the completion of LOHAS Park station, near which there are two short sections that are not in tunnels. The stations of Yau Tong, Po Lam and LOHAS Park are at ground level, but are completely shielded to minimise noise to the surrounding development. The rest of the line
Reading Line with Reading. This railroad became part of the Reading Railroad, and carried traffic from the Allentown area to their main line. In 1976, The Reading Railroad was acquired by Conrail, which continued to use the line as a conduit between North Jersey and the rest of the country. When Conrail was split in 1999, Norfolk Southern was assigned the line. On March 14, 2018, Norfolk Southern increased speeds along the Reading Line from to at 33 grade crossings and from to at 3 grade crossings. The speed change was intended to increase the efficiency of rail operations and improve the