Proposal for amendments to ECE/TRANS/WP.29/GRVA/2021/8 and replaces GRVA-09-37 and GRVA-10-24.

Proposal for amendments to ECE/TRANS/WP.29/GRVA/2021/8 and replaces GRVA-09-37 and GRVA-10-24.

Proposal to clarify that a continuation of support by a Category B1 ACSF after its boundary conditions have been exceeded may not be possible under conditions as outlined in the manufacturer’s safety concept.

Proposal to allow up to seven seconds to start and perform a lane change.

Proposal to allow up to seven seconds to start and perform a lane change.

Proposal to

1. Align lane-centering provisions with principles applied to UN R157 (ALKS)
2. Permit Category C ACSF to remain in stand-by during temporary roadway transitions
3. Clarify overriding provision (para. 5.6.4.3) reference to stand-by mode
4. Introduce a tolerance factor for “critical situation” lane changes
5. clarification to test conditions
6. Align direction indicator deactivation under a pass conditions with previously adopted provisions.

Proposal to introduce provisions for truck/trailer data transmission for Category C ACSF.

Proposal to allow a grace time in order to deal with unexpected changes in the radius of the curvature of a bend by permitting the system to exceed the ay_smax limit of 3 m/s² by a maximum of 40 per cent for up to two seconds.