SECTION 2 RESPONSIBILITY FOR SIGNALING IN THE ROADS
Article 139 Responsibility
1. It is the responsibility of the road user to maintain the best possible safety conditions for driving and to use and conserve the suitable signals and road markings. It is also their responsibility to get prior authorisation for installing other traffic signs. In case of emergency, authoritative agents may install circumstantial signals without previous...
Article 140 Signalling of road works
Road works that hinder road traffic in any way must be marked, both day and night, and luminously marked during the night hours, or when the weather or environmental conditions so require, by the director of the work, according to the regulation established for these purposes by the Ministry of Development. When road works...
Article 141 Object and type of signals
Unless otherwise justified, in any type of works and activities on the roads the elements and devices of signalling, beaconing and defence included in the basic regulation established for these purposes by the Ministries of Development and Interior should be used exclusively, as indicated in the Annex I.

