SMTA deploys open-loop ticketing solution on buses in Karachi, Pakistan May 5, 2024 | Asia Pacific News, News The Sindh Mass Transit Authority (SMTA) has deployed an open-loop ticketing solution on two bus routes in Karachi, marking the first deployment of an open-loop ticketing solution in Pakistan. Passenge... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password