Cycling in Madrid shared-use paths. The most important shared-use path is Madrid Río, a park located in the banks of the Manzanares River and opened in 2011. Car-shared lanes and streets (in Spanish: ciclocalle o ciclovía) are very frecuent in Madrid. They are marked with the drawing of a bicycle on the pavement, and they are speed limited to 30 km/h. In Madrid, there are many bike sidewalk paths (in Spanish: acera-bici). Some are located in O'Donnell Street or Serrano Street. Greenways (in Spanish: pista-bici) are independent cycle routes, for example the Royal Route GR-124. BiciMAD is a public service of bicycle-sharing. It
Cercanías Madrid Madrid as bedroom communities only started in the late 1960s, in two different parts of the metropolitan area: The main Madrid-Zaragoza-Barcelona line followed the valley of the Henares river, going through the important town of Alcalá de Henares to Guadalajara and Zaragoza. The towns around the line (Coslada, San Fernando de Henares, Torrejón de Ardoz, Alcalá itself) and some suburbs within the city of Madrid (Vallecas Villa, Vicálvaro) started to grow large bedroom communities, which relied heavily in the railway for commuting to Madrid. At the same time, the former rural towns of Alcorcón, Móstoles, Leganés, Fuenlabrada and Getafe (and