This is a list of railway tunnels in Kerala.
Location The state of Kerala is sandwiched between Western Ghats and Laccadive Sea and the state has an undulating topography. The state is served by Thiruvananthapuram railway division, Palakkad railway division and Madurai railway divisions in Southern Railway zone of Indian Railways.
List RankName and routeTrack length (m)StationStationDistrictRailway DivisionYear of OpeningCoordinationPicture1.Trivandrum Port Tunnel in new port line.9020 metresVizhinjam International SeaportBalaramapuramThiruvananthapuram ThiruvananthapuramTo be DecidedDesign and Planning phase.2.Aryankavu Tunnel in Kollam–Sengottai Line680 metresAryankavuBhagavathipuramKollamMadurai1904Gauge conversion completed in 2018.3.Thannivila Tunnel in Thiruvananthapuram–Nagercoil–Kanyakumari line200 metresNemomBalaramapuramThiruvananthapuram Thiruvananthapuram19794.Kalanad Tunnel in Shoranur–Mangalore line161 metresKotikulamKalanadKasaragodPalakkad1905Parallel tunnel opened in 2002.5.Kottayam Twin tunnels in Ernakulam–Kottayam–Kayamkulam line 84 meters and 67 metresKottayamChingavanamKottayamThiruvananthapuram1957Became redundant post track doubling in 2022.
See also
List of rail tunnels in India by length
References