By bus from Barajas airport to the plaza de Col n. It is the easiest, fastest end cheapest way to travel around the city. A single ticket costs approximately 135 ptas. If you want to take the underground more than once, you can purchase a book of 10 tickets for approximately 770 ptas. Both of these can be purchased either at the ticket office or from the vending machines in the stations.
Buses are red or yellow and bus-stops display the number end route of each bus.
There is also a night service. A single ticket costs approximately 135 ptas. There are over 15,000 taxis in Madrid. They are recognized by the word TAXI painted on the outside. Within the city, and including the airport, the fare is that indicated on the meter, plus the authorized surcharges displayed on the right hand side of the vehicles rear window.