S-373
Overhead sign on autopista or autovía: two close exits to conventional road with through route
Shows the destinations of the two consecutive exits on the autopista or autovía, the distance to the second, exit number, and letter of each exit. Also shows the through route of the autopista or autovía.
Category: Direction signs
Source: General Traffic Regulations (RD 1428/2003), Annex I; designs per the official sign catalog (RD 465/2025)