R-307a
No stopping or parking in both directions from the sign
No stopping or parking on the side of the roadway where the sign is placed, in the section between the nearest intersections or R-307b and R-307c signs in both directions from the sign.
Category: Other prohibition and restriction signs
Source: General Traffic Regulations (RD 1428/2003), Annex I; designs per the official sign catalog (RD 465/2025)