Proposal for provisions concerning:

• B1 lane centering
• ACSF activation conditions
• Driver override
• Clarification of ACSF standby-mode
• Clarification of “ready-to-intervene"
• Indication to the driver in case of suppression
• Clarification of suppression criteria
• Sensor test before activation.

47. The expert from OICA presented GRVA-05-52, introducing GRVA-05-30 with amendments to the provisions applicable to ACSF of Category C.

48. The expert from CITA introduced GRVA-05-50 with amendment proposals to Annex 8.

49. The expert from Germany introduced GRVA-05-53 with amendment proposals to para. 5.6.4.7. (critical situation).

50. GRVA requested the secretariat to distribute GRVA-05-30, GRVA-05-50 and GRVA-05-53 with official symbols at its September 2020 session.

Proposal for amendments to document GRVA/2020/22.

39. The expert from OICA introduced ECE/TRANS/WP.29/GRVA/2020/22, amended by GRVA-07-20 with proposed amendments to the provisions on ACSF of Category C. He explained that GRVA-07-20 also incorporated GRVA-07-15, GRVA-07-16 and GRVA-07-19. He withdrew GRVA-07-18. The expert from AVERE supported the OICA proposal. GRVA-07-29 superseded by GRVA-07-32. GRVA had remained divided on such amendments since its fourth session.

44. The expert from AVERE introduced GRVA-07-15. GRVA requested the secretariat to distribute this document with an official symbol at its next session. He also introduced GRVA-07-16 amendment proposals to ACSF of Category C. The experts from the Netherlands and Denmark expressed reservations with the document. GRVA could not reach consensus.

39. The expert from OICA introduced ECE/TRANS/WP.29/GRVA/2020/22, amended by GRVA-07-20 with proposed amendments to the provisions on ACSF of Category C. He explained that GRVA-07-20 also incorporated GRVA-07-15, GRVA-07-16 and GRVA-07-19. He withdrew GRVA-07-18. The expert from AVERE supported the OICA proposal. GRVA-07-29 superseded by GRVA-07-32. GRVA had remained divided on such amendments since its fourth session.

Proposal to modify the following elements:

1. paragraph 5.6.4.2.3., delete “temporarily”
2. paragraph 5.6.4.5.2.1., replace “actually” by “anticipated to be”
3. paragraph 5.6.4.6.6., B1 shall resume “in a timely manner”
4. paragraph 5.6.4.6.8.1., clarify the suppression criteria
5. paragraph 5.6.4.7., define distance tolerances for lane-change critical distances
6. Annex 8, Paragraph 2., Carry over the language already adopted for ACSF B1: “At the manufacturer’s discretion and with the agreement of the Technical Service, a lane with a width of less than 3.5 m may be used, if the correct function of the system on roads with wider lanes can be demonstrated.” and allow for lower temperature and wet surface test conditions, and
7. Annex 8, Paragraph 3.5.1.2. (j), amend the pass condition with regard to direction indicator deactivation.

39. The expert from OICA introduced ECE/TRANS/WP.29/GRVA/2020/22, amended by GRVA-07-20 with proposed amendments to the provisions on ACSF of Category C. He explained that GRVA-07-20 also incorporated GRVA-07-15, GRVA-07-16 and GRVA-07-19. He withdrew GRVA-07-18. The expert from AVERE supported the OICA proposal. GRVA-07-29 superseded by GRVA-07-32. GRVA had remained divided on such amendments since its fourth session.

Consolidated proposal incorporating comments from OICA/CLEPA, CITA, Germany, and AVERE (including most recent proposal to the 7th GRVA session).

39. The expert from OICA introduced ECE/TRANS/WP.29/GRVA/2020/22, amended by GRVA-07-20 with proposed amendments to the provisions on ACSF of Category C. He explained that GRVA-07-20 also incorporated GRVA-07-15, GRVA-07-16 and GRVA-07-19. He withdrew GRVA-07-18. The expert from AVERE supported the OICA proposal. GRVA-07-29 superseded by GRVA-07-32. GRVA had remained divided on such amendments since its fourth session.

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.