What is "titsa"

TITSA is the Transportes interurbanos de Tenerife, S.A. which operates the only public bus service in Tenerife, on the Canary Islands. It carries over 60 million travellers a year, has a fleet of, approx., 600 vehicles, takes children to school, old persons to hospital, and offers the tourist a better way to see the island apart from hiring a car, so it helps environmentally by cutting CO.