State Highway 45 (Kerala)State Highway 45 is a state highway in Kerala, India that starts from Capital city of Thiruvananthapuram and ends in Vithura - Ponmudi. The highway is 61 km long. This road passes through Vithura Town. Prime intersectionsThiruvananthapuram - Peroorkada - Nedumangad - Chullimanoor - Tholicode - Vithura Town - Kallar - Ponmudi Upper Sanitorium