Main Street
The main street (also main road ) is referred to in common parlance a road with heavy traffic and an important link function. Furthermore, the term, however, is also defined in the technical road regulations. The RAS -N, the main road to a road category. The opposite of main street is the street, because it has a lower on traffic and economic importance.
Germany
In Germany, the main streets are privileged city streets with high Transport and economic importance. Main roads may be both assume the function of a federal, state, county or municipal road.
You must meet certain design criteria that goes beyond the pure driving geometry of the other city streets. The road width at two-lane roads should, for example, are 6.50 meters in general, but can be reduced with low heavy duty buses and coaches on 5.50 meters. At high heavy traffic, the width be increased to 7.00 meters. In the area of tight bend radii, the road is additionally expand. To facilitate pedestrian crossing the road, traffic islands should be arranged. For the design of the main streets, the guidelines for the investment of city streets (short RASt ) applicable in Germany.
Roads outside built-up areas are called in Germany is not as main roads, but according to their easement as federal, state, county or municipal road.
In the GDR, the priority roads have been designated as the main road.