Globally, and as a result of increased population and its concentration in large cities is essential to improve mobility and promote the use of public transport, therefore, priority intelligent vehicle is one of the paths that leads to sustainable mobility in cities. We read or hear in the media is necessary to encourage public transport use to the detriment of private cars to reduce air pollution, applying technological innovation and engineering, we can state that promotes the use of urban surface transport ensuring citizen timeliness, quality and reliability of service, therefore, based on experience in implementation of different systems for vehicular priority, we define the Geo-referential analysis is the most effective method to achieve this. The introduction of vehicle priority system geo-referencing, allows not only prioritize urban transport on the surface, but uses the infrastructure to get the fire engines, ambulance and police, have right of way at certain intersections in the city. The data were obtained in Spanish cities like San Sebastian and Albacete demonstrate the effectiveness of this system. Specifically in this document we highlight the implementation of the priority system in the city of San Sebastián, it is the head of Spain in bus use, since it has the highest ratio of travelers per capita: each person makes 152.9 [1] trips per year
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