What is the background color of vertical traffic signs when located in a roadworks section?

Question

DentroTest · Accepted Answer

Vertical signs used in roadwork sections have a yellow background. This distinctive color indicates that the signaling is temporary and circumstantial, altering the normal rules of the road. Although the color changes (it would usually be white), the meaning of the sign remains intact and compliance is mandatory. The purpose of the yellow background is to grab the driver's attention to exercise extreme caution due to the presence of workers, machinery, or changes in the roadway.

What is the background color of vertical traffic signs when located in a roadworks section?

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