Steepness and Road Signs
Use the following app to discover the concept of topographic slope, which is used in road signage.
Practice Zone
According to the traffic regulations, the ‘steep ascent’ sign gives advance warning of a stretch of road with a steepness that may constitute a hazard. The steepness is expressed as a percentage. If a straight road is built such that, over a length of 1.2 km, it rises by 85 m, what is its inclination (in degrees)? What percentage would be shown on the road sign?