This modern system of transportation is an alternative to the problems of traffic of the City, with a cost very under the necessary one for a line of Metro, and a time of a lot more fast construction. [1]

With a cover of service of more than 3 thousand 500 kilometers of length, uniting, chiefly housing zones with terminals of the Metro, the RTP offers service the 365 days of the year with a schedule from 4am to 22:30 pm through 88 different routes. [1]

The cost of the ticket, is one of the cheapest of the world, since the 2002 the price of a trip is of 2 pesos. As opposed to other Metro of the world, this ticket gives the user the right to transfer of a line to another to be transferred to diverse points of the City, without need to pay another ticket. [1]