R-120
No entry for vehicles by environmental label or other environmental criteria
No access for vehicles based on their environmental label or other environmental criteria that may be set. The conditions are given on an S-860 supplementary panel or on a board that includes the sign, referring where applicable to each vehicle's environmental label classification as set by regulation.
Category: No entry signs
Source: General Traffic Regulations (RD 1428/2003), Annex I; designs per the official sign catalog (RD 465/2025)