State Highway 64 (Kerala)State Highway 64 is a state highway in Kerala, India that starts in Varkala Varkala municipality in Thiruvananthapuram district and ends in Madathara of Kollam. The highway is 45 km long.Route mapVarkala - Kannamba - Nadayara - Palayamkunnu - Chavarcode - Parippally -Pallickal-Nilamel - Kadakkal - Chithara - Madathara. The main disadvantage is vehicle has to cross a railway gate in Varkala near to Railway Station. Govt. is proposed a railway over bridge to cross this hurdle. But the construction is not yet started.