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Slopes (Vgfhs)

Definition
The relative steepness of the terrain expressed as a ratio or percentage. Slopes may be categorized as positive (backslopes) or negative (foreslopes) and as parallel or cross slopes in relation to the direction of traffic. (Source: AASHTO Glossary)
Broader Term
Hills (Vgfh)
Narrower Terms
Backslopes (Vgfhsb)
Foreslopes (Vgfhsf)
Risers (Geology) (Vgfhsr)
Rock slopes (Vgfhss)
Talus slopes (Vgfhst)