However, several lines lack the system, including the Arendal Line, the Flåm Line, the Meråker Line, the Nordland Line, the Rauma Line, the Røros Line, the Eastern Østfold Line, the northern part of the Gjøvik Line, and several tunnels along the Bergen Line and the Sørlandet Line.
East Coast Main Line | West Coast Main Line | New Line Cinema | Cunard Line | White Star Line | The Onedin Line | Maginot Line | Great Central Main Line | What's My Line? | Walk the Line | Stena Line | Line 13, Shanghai Metro | Line 13 | A Chorus Line | What's My Line | V/Line | branch line | Wirral Line | Siegfried Line | Midland Main Line | Gyeongbu Line | Line Renaud | Line Islands | Line 2 | Line 1, Beijing Subway | Line 1 | Green Line | Brighton Main Line | The Thin Red Line (1998 film) | The Thin Red Line |