In December 2017, SOFRATESA and URBE signed the contract for the implementation of the first phase of interoperability of the integrated ticketing system between the Santo Domingo Metro, the Santo Domingo Cable Car and the Charles de Gaulle urban bus line OMSA. This agreement also includes the ticketing system equipment for the Santo Domingo Cable Car and the Charles de Gaulle line of OMSA urban buses. Sofratesa held the launch meeting of this project in January 2018, with the presentation of a team of experts from the companies that developed the systems and solutions for this type of transportation. These experts were led by the Sofratesa work team in the person of its Director of Development, Jonathan Grel, engineer.

Government representatives from the Ministry of the Presidency (MINPRE), the Execution Unit for the Rehabilitation of the Barquita y Entornos (URBE), the National Institute of Transit and Land Transportation (INTRANT), Metropolitan Office For Autobuses Transportation (OMSA) and the Office for the Reordering of Transport (OPRET) were also present.