SAPTCO starts public transit services in Riyadh, Saudi Arabia February 28, 2018 | Middle East & Africa News The Saudi Public Transport Company (SAPTCO) has signed a SAR73-million contract with the Arriyadh Development Authority (ADA) to operate public bus services in Riyadh. The new bus services will replac... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password