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