The road authority shall display, by means of corresponding signs, the specific speed limits that apply according to the characteristics of that section of the road. In the absence of any specific signs, the normal rules for that type of road will comply.

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The autonomous body Central Traffic Headquarters or, where appropriate, the regional or local authority responsible for the regulation and control of traffic, when the traffic conditions require, may set speed limitations on a temporary basis with the corresponding signs or variable signalling.