P-10b
Approach to a level crossing, movable bridge, or dock (150 m, left side)
Indicates a level crossing, movable bridge, or dock 150 m ahead. This marker post is placed on the left side of the roadway.
Category: Warning signs
Source: General Traffic Regulations (RD 1428/2003), Annex I; designs per the official sign catalog (RD 465/2025)