S-301
Towns on an autopista or autovía route
Shows names of towns on a route along an autopista or autovía and the direction in which they are reached. The panel inside the sign defines the road category and number. Figures on the sign show distances in kilometers.
Category: Direction signs
Source: General Traffic Regulations (RD 1428/2003), Annex I; designs per the official sign catalog (RD 465/2025)