Proposal to ensure the continuity of the ASTM Method E1337 for the measurement of the Peak Braking Coefficient (PBC) by introducing a reference to the new American Society for Testing and Materials (ASTM) Standard Reference Test Tyre F2493.

Proposal to ensure the continuity of the ASTM Method E1337 for the measurement of the Peak Braking Coefficient (PBC) by introducing a reference to the new American Society for Testing and Materials (ASTM) Standard Reference Test Tyre F2493.

Proposal to clarify provisions regarding the actuation of the parking brake warning device to cover the case of electric control transmission systems where there may be a transition between parked (applied) and un-parked (released) braking states. The aim is to reduce risks of user confusion by specifying that the warning device would be actuated only after the parking brake has achieved a stable applied state.

Proposal to align the requirements of UN R13 concerning the assessment of electronic control systems with the latest developments adopted by WP.29 for UN R79 and UN R157.

Proposal to align the requirements of UN R13 concerning the assessment of electronic control systems with the latest developments adopted by WP.29 for UN R79 and UN R157.

Proposal to equip four-axle commercial vehicles over 25 tons with vehicle stability function due to their specific use.

Proposal to introduce provisions for the approval of electromechanical braking systems.