The position, as regards width, will be determined from that edge of the apparent surface in the direction of the reference axis which is the furthest from the median longitudinal plane of the vehicle when referred to the overall width, and from the inner edges of the apparent surface in the direction of the reference axis when referred to the distance between lamps.
Laiuse puhul määratakse asend nulltelje suunas nähtava pinna sellest servast, mis on sõiduki keskpikitasapinnast kõige kaugemal, kui viidatakse üldisele laiusele, ja nähtava pinna sisemistest servadest nulltelje suunas, kui viidatakse laternatevahelisele kaugusele.