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
Flag of the Community of Madrid of the City of Madrid's coat of arms. Flag of the Community of Madrid The flag of the Community of Madrid is crimson red, with seven five-pointed stars in silver, placed four and three in the centre of the field. The crimson color stands for Castile as Madrid has been historically Castillian, and the stars represents each of the administrative areas of the province of Madrid, which are the City of Madrid, Alcalá de Henares, Torrelaguna, San Martín de Valdeiglesias, El Escorial, Getafe and Chinchón. The stars are also thought to represent either the Ursa Major (The Plough asterism) or