Thiruvananthapuram–Shoranur canal

The T S canal was commissioned in stages under the three erstwhile states of Travancore, Cochin and Madras between the 18th and 19th century.

Currently the canal is largely unused because of, Marginal utilisation is there for tourism and passenger transportation in Kollam, Alappuzha, Kottayam and Kochi at present.

9.2 Crore project to revive the 60.5 km long Kovalam - Kollam stretch of the canal.

[5] There is huge development planned and undertaken on Kollam - Ponnani stretch of the canal as part of development of National Waterway 3 as part of larger 630 km West Coast Canal (WCC) Project between Kovalam and Bekal.

There is also renovation happening on Parvathi Puthanaar reach of canal by KWIL and cleaning of Varkala Tunnel's Chilakkoor passage by Government of Kerala.