R-2
Stop
All drivers must stop their vehicle at the next stop line or, if none exists, immediately before the intersection, and yield there to vehicles traveling on the road they are approaching. If, for exceptional reasons, there is insufficient visibility from where the stop was made, the driver must stop again at a place with adequate visibility, without endangering any road user.
Category: Priority signs
Source: General Traffic Regulations (RD 1428/2003), Annex I; designs per the official sign catalog (RD 465/2025)