MINOR ROADS + OFF-ROAD TRACKS (ROAD ENGINEERING)
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BTHIGHWAYS + MOTORWAYS (ROAD ENGINEERING)
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UDC625.711.2
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Descriptor GERNEBENSTRASSEN + GELÄNDEPISTEN (STRASSENBAU)
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Descriptor ENGMINOR ROADS + OFF-ROAD TRACKS (ROAD ENGINEERING)
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Descriptor FREROUTES SECONDAIRES + PISTES TOUT TERRAIN (CONSTRUCTION ROUTIÈRE)
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NTFORESTRY ROADS + FOREST TRAILS (ROAD CONSTRUCTION)
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NTPEDESTRIAN PATHS (ROAD ENGINEERING)
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NTFOOTPATHS + HIKING TRAILS + MULE TRAILS (ROAD CONSTRUCTION)
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NTFARM ROADS + AGRICULTURAL ROADS (ROAD CONSTRUCTION, RURAL ENGINEERING)
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NTLOW VOLUME ROADS (ROAD ENGINEERING)
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NTBICYCLE TRACKS + CYCLE FACILITIES (ROAD ENGINEERING)
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NTSLEDGE, BOB-SLEIGH TRACKS (ROAD ENGINEERING)
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NTSNOW SPORT SLOPES (ROAD ENGINEERING)