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
Madrid on 16 January 1945 at . These records were registered at the airport, in the eastern side of the city. Precipitation is concentrated in the autumn and spring, and, together with Athens which has similar annual precipitation, is the driest capital in Europe. It is particularly sparse during the summer, taking the form of about two showers and/or thunderstorms during the season. Madrid derives almost 73.5 percent of its water supply from dams and reservoirs built on the Lozoya River, such as the El Atazar Dam, which was built in 1972 and inaugurated by Francisco Franco. This water supply is