Panneaux routiers

A sign showing '3.7 m' above an overpass tells drivers:

Panneau routier de Colombie-Britannique — The maximum allowable vehicle height
Afficher la réponse et l'explication
Bonne réponse : B. The maximum allowable vehicle height

Low-clearance signs state the maximum loaded vehicle height. Truck and RV drivers must verify their loaded height. Striking an overpass causes structural damage and can shut down the highway.