The Phase 1 route runs from Aluva to Tripunithura, covering a distance of 27.96 km with 25 stations. Key stations include Aluva, Pulinchodu, Companypady, Ambattukavu, Muttom, Kalamassery, Cochin University (CUSAT), Edapally, Palarivattom, Kaloor, and Ernakulam South.