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
Main Line (Pennsylvania Railroad) leased the HPMJ&L, giving it full control of its main line. In 1904, the New Portage Railroad east of the Gallitzin Tunnels (through the "Muleshoe Curve") was reopened as the New Portage Branch, a freight bypass line. Conrail closed this line in 1981. Notes Further reading Main Line (Pennsylvania Railroad) The Main Line of the Pennsylvania Railroad was a rail line in the Commonwealth of Pennsylvania, connecting Philadelphia with Pittsburgh via Harrisburg. The rail line was split into two rail lines and now all of its right of way is now a cross-state corridor, composed of Amtrak's Philadelphia to Harrisburg