SIDSA Headquarter offices are in Tres Cantos, north of Madrid.

The easiest way to come to SIDSA from the airport is to come by car or by Taxi. Depending on traffic conditions the ride could last about 30 minutes.

Take the M-607 motorway "Carretera de Colmenar", exit km21, the first exit for Tres Cantos. Follow the road round the bends, first roundabout straight ahead, left at the second and left at the third roundabout and drive into the "PTM" Parque Tecnológico de Madrid. After the security barrier, first road on left (Torres Quevedo), SIDSA is at the end in a white building (please use the visitor parking).

By train

Get the train line C7 from Atocha station (or Chamartin station) to Colmenar Viejo, and get off in Tres Cantos. The RENFE  trains timetables are in the web http://www.renfe.es/cercanias, look for Madrid trains.