Autopista de Circunvalación M-50

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M50 is a big motorway round madrid that isn't still finished (it will be closed on 2007). It way starts at Las Rozas within the A6 and finishes in the A1 running around 10 or 20 km away from Madrid City. It's used by hundreds of people every hour bacause it has many exits to m40

In Madrid, there are 3 basic Roundways around the city. The inner is M30, the medium and the most used one is the M40 and the M50 is gonna be tvery used to.

The problem with M50 is that there's a national park between A1 and A6 and echologists don't want to build an underground pass. Its quite difficult to understand if you don't know it. M50 also connects with Barajas Int'l Airport.