How steep is a 7% grade?
How steep is a 7% grade? Question: The grade of a road is 7%. This means that for every horizontal distance of 100 feet on the road, the vertical rise is 7 feet.
What slope is too steep?
Steep slopes are legally defined as hillsides having a 15 foot, or greater, vertical rise over 100 feet of horizontal run, or 15% slope (Figure 1). They are often undesirable ar- eas for development due to the difficulty of building on steep grades.