S-246
Supplementary advance sign for towns on autopista or autovía
Shows nearby towns of more than 5,000 inhabitants that can be reached from the exit shown on the upper sub-panel, as well as the distance to that exit.
Category: Advance direction signs
Source: General Traffic Regulations (RD 1428/2003), Annex I; designs per the official sign catalog (RD 465/2025)