This is a webcam showing PK 43.5 Decreciente (M-607), located in Madrid, Spain. The M-607 is a Spanish highway, owned by the autonomous region, 44.2 km long, that connects Madrid with the port of Navacerrada . It is a highway between Madrid and Colmenar Viejo and later continues as a conventional road to the port of Navacerrada. It is popularly known as the Colmenar Viejo highway . It currently represents an important communication route, mainly due to the growth of the surrounding populations and the creation of large business areas. It starts on the M-30 at the Ramón y Cajal Hospital , but from the center of the capital of Madrid to the end of the highway it measures approximately 32 km, a distance that is cut a few kilometers from the Plaza de Castilla , where they are located the Kio Towers. This highway passes through Tres Cantos on its way, and is very close to Alcobendas and San Sebastián de los Reyes , which are connected to this highway through the M-616 highway .