Signaling of obstacles and hazards is one of the topics in the General rules block of the Spanish DGT theory. Defines who the traffic rules apply to and where, the basic definitions and the principles behind the whole theory. Understanding this section well helps you answer the theory-exam questions on this topic with confidence.

In simple terms, this point of the DGT theory establishes that the actions of emergency services teams, as well as those providing mechanical assistance and road maintenance, must at all times ensure the least possible impact on other traffic, occupying as little of the roadway as possible and at all times following the instructions issued by the autonomous body, the Central Traffic Headquarters, or, where appropriate…

The exam often asks where and to whom these rules apply; read the options carefully, as they frequently change a single word.