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Drive America
Warning sign - vertical grade, hill, slope
Learning objectives
  • Learn the meaning of warning road signs for vertical grades, hills, slopes
  • Study examples of warning road signs for vertical grades, hills, slopes
Meaning of warning road signs for vertical grades, hills, slopes
  • Warning road signs for vertical grades, hills, and slopes are used in advance of a downgrade where the length, percent of grade, horizontal curvature, and/or other physical features require special precautions on the part of road users.
Examples of warning road signs for vertical grades, hills, slopes
Indicates a hill.
Indicates a downgrade, hill, or slope.
Indicates a downgrade, hill, or slope with an 8 percent grade.
Indicates a downgrade, hill, or slope with a 9 percent grade.
Indicates a downgrade, hill, or slope with a 9 percent grade for the next 7 miles.
Indicates a downgrade, hill, or slope with a 9 percent grade for the next 11 kilometers.
Indicates the condition will continue for the next 7 miles.
Indicates the condition will continue for the next 11 kilometers.
Trucks are instructed to use a lower gear due to a downgrade, hill, or slope.
Trucks are instructed to use a lower gear due to a downgrade, hill, or slope.
A runaway truck ramp exists one mile ahead for trucks which are unable to stop on a downgrade, hill, or slope.
A runaway truck ramp exists to the right for trucks which are unable to stop on a downgrade, hill, or slope.
A runaway escape ramp exists for trucks which are unable to stop on a downgrade, hill, or slope.
Indicates that a hill is blocking the view around an upcoming turn.
 
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