. "Betzdorf\u2013Siegen" . . . "Sieg" . . . . . . "Siebengebirge Railway" . "To Siegen" . . . "1859" . "main line from Cologne to Siegen" . "100000.0" . . "branch line from Betzdorf to Siegen" . "Cologne\u2013Sieg" . . . . . . ":Sieg Railway" . "Cologne\u2013Siegen" . . "from Troisdorf" . . . . "railway" . . . "Cologne\u2013Hennef" . . . . "Cologne\u2013Troisdorf" . . "Sieg line to Cologne" . "From Cologne" . "Sieg Railway to Troisdorf" . . "Giessen\u2013Deutz railway" . "Cologne\u2013Au Sieg" . . "460" . . "Sieg Railway from K\u00F6ln Messe/Deutz" . . "Sieg line" . "branch to Siegen" . . "Sieg Railway to Siegen" . . . . "Sieg Railway from Cologne" . . "Sieg Railway" . . . "to Hennef" . . . "Rhine-Sieg S-Bahn" . . . "Sieg Railway" . .