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Road traffic counting - principal network
Regions and cities, Transport
Representation of the automatic traffic counting locations on Swiss roads - principal network
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Axis of national routes
Regions and cities, Transport
The Federal Roads Office manages and maintains the axes of national routes. The roads are identified based on their axis. In addition to their planar, geometric shape, the axes ...
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Sanctuaries for silence and nature for aviation
Regions and cities, Transport
Sanctuaries for silence and nature are areas of defined dimensions where antrophogenic (man-made) noise sources have been suppressed to a minimum level. The aim of such sanctuar...