R-308a
No parking on odd-numbered days
No parking on the side of the roadway where the sign is placed, on odd-numbered days. Unless otherwise indicated, the prohibition begins at the sign and ends at the nearest intersection. Stopping is not prohibited.
Category: Other prohibition and restriction signs
Source: General Traffic Regulations (RD 1428/2003), Annex I; designs per the official sign catalog (RD 465/2025)