As part of the discussions on improving UN R48 to address vehicle glare and headlamp leveling issues, Italy proposes conditions for vehicle loading under the headlamp testing procedures in order to represent more realistic vehicle use. In particular, the current specifications for testing vehicles under maximum load conditions does not represent the most common use case of a driver in an unloaded vehicle.

As part of the discussions on headlamp glare and vehicle load conditions, this document provides a set of photographs illustrating various use cases where a vehicle carries a rear load.

Comments on the VGL informal group draft justification of its headlamp glare requirements.

Proposal to change the text of UN R48 to replace the reference to the “lower edge of the apparent surface” with a reference to the “headlamp optical centre (centre of reference)” in the passing-beam requirements.

OICA request for changes to the (as yet unpublished) report of the 7th VGL informal group session.

VGL informal group limit values diagram as revised by the group chair following the discussions during the 7th group session.

Examples of loading situations and their influence on headlamp inclination cut-off.