S-770
Other places and roads
Indicates roads other than autopistas or autovías and the towns that can be reached by them, as well as other places of public interest not covered by signs S-700 to S-760.
Category: Signs for use in built-up areas
Source: General Traffic Regulations (RD 1428/2003), Annex I; designs per the official sign catalog (RD 465/2025)