S-366
Overhead sign on autopista or autovía: immediate exit to conventional road with through route
On an autopista or autovía, shows destinations reached by the immediate exit to a conventional road, as well as the exit number and, where applicable, exit letter. 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)