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Drive America
Temporary traffic control - road condition
Learning objectives
  • Learn the meaning of warning road signs for the temporary traffic control of road conditions
  • Study examples of warning road signs for the temporary traffic control of road conditions
Meaning of warning road signs for road conditions
  • Warning road signs for the temporary traffic control of road conditions give notice to road users of changes in road conditions that could affect the control of the vehicle.
  • Note: these signs are the same as the normal warning signs except the background color for temporary traffic control signs is orange instead of yellow.
Examples of warning road signs for road conditions
Indicates the paved surface changes to either a gravel treated surface or an earth road surface.
Indicates the condition of the road might make travel more difficult.
The shoulder, or area adjacent to the road, is made of a softer material than the main road.
The shoulder, or area adjacent to the road, is at a lower elevation than the main road.
The shoulder, or area adjacent to the road, drops quickly in elevation.
Road might be slippery.
There is no center road line separating traffic.
The road surface is composed of loose gravel.
There is an upcoming depressed surface in the road.
There is an upcoming elevated surface in the road.
Adjacent lanes are at slightly different elevations.
 
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