Minutes from the 27th meeting of GRSP TF on AVRS held Wednesday 1st July 2026 online. The agenda and previous minutes were approved. EC reported from June WP.29-199 TF Expert FADS and presented WP.29-199-19. GRSP TF AVRS must complete crashworthiness regulation for Category Y and Pedestrian Protection R127, GRE TF AVSR ADS marker lamps, GRE IWG EMC refinements for ADS in 10R08, and GRPE TF AVRS amendments to UN Regulation No. 154. Regarding amendment proposals to UN Regulations Nos. 35 (ECE/TRANS/WP.29/2026/104) and 68 (ECE/TRANS/WP.29/2026/146), AC.1 postponed voting to the next session due to required quorum not being attained. EC presented updates on Y-category regulatory framework for N₁, Y-category Pedestrian Protection UN Reg 127, and UN Regulation No. 42 and 134. Next meetings scheduled 4th September, 5th October, week 4, 24th November or 1st December, and 7–11 December.

The UN IWG on Cyber Security and OTA issues held its 39th session on 3 September 2026. The provisional agenda (TFCS-38-01/Rev.3) and minutes from the 38th session (TFCS-38-13) were adopted. Regarding R155 amendments: multistage vehicle proposals (GRVA/2026/28, GRVA/2026/29, TFCS-39-08) will be submitted as informal documents with a merged paragraph; component approval proposals (TFCS-39-04) had STU references removed and discussion continues; remote operation for ADS proposals were not discussed but participants are invited to consider a general refresh of Annex 5. RXWIN application proposals (TFCS-39-05, TFCS-39-06, TFCS-39-07, TFCS-39-08, TFCS-39-09, TFCS-39-10, TFCS-39-11, TFCS-39-12) were presented; items 1, 4, and 6 were agreed, item 5 was agreed in principle, and items 2 and 3 regarding R155 and R157 applicability require revised wording. Netherlands expressed concerns about vehicle discontinuation and multiple type approvals. Administrative provisions regarding Type Approval Authority for CSMS/SUMS (GRVA/2026/30, TFCS-39-02, TFCS-39-07) were discussed without consensus. Out-of-scope vehicle approvals (TFCS-38-03) discussion was deferred to a separate workshop. Two informal documents will be provided to GRVA.

This document provides background material for an IWG EqOP workshop scheduled for November 2026 in Tokyo to draft conceptual ideas for assessing robustness of vehicles in frontal crashes using a holistic approach complementing current ATD-based requirements. The workshop aims to protect occupants of varying body height, weight, shape, and seating position by maintaining structural integrity and effective safety systems. Two sessions are planned: identifying issues needing solutions through field data and EqOP priorities from GRSP-78-07, and reviewing regulatory solutions including current regulations R16, R94, and R137, with consideration of ATD and HBM roles.

A study of 24 professional truck drivers investigated how drowsiness develops during real-road driving to test a DDAW system. At night, 17 of 24 drivers reached a KSS level of 8, with average time to reach KSS 8 being 56 minutes. Ten drivers chose to stop or were requested to stop in the sleep-deprived condition. A DDAW recording window of 600 s would fail to capture information relevant to the EDR, whereas time windows of up to one hour could provide important indications of increased driver fatigue.

Proposals for EDR Step 3:

• Improved triggering to increase detection rate of vehicle-to-vulnerable road user collisions and low-severity vehicle-to-vehicle collisions by considering delta-v and jerk-based trigger thresholds and developing updated triggering thresholds,
• Overwriting and multi-event issues by reviewing crash reconstruction experiences and developing updated requirements on overlapping events and overwriting,
• Data elements and formats to improve meaningfulness and close gaps by considering new data elements, modifications to data element format specifications, deviating recording duration, and focus on functions compared to specific systems,
• EDR for vehicles of category L₁–L₇ to establish relevant EDR requirements by understanding specificities of vehicles of category L₁–L₇ and developing triggering conditions, events, data elements, and survivability requirements.

For vehicles equipped with an Automated Driving System, it shall be possible to retrieve DSSAD time-stamp data elements specified under paragraph 5.2. of Annex 8 of UN Regulation No. 185 recorded within at least the last 30 seconds prior to triggering of the respective EDR event, regardless of whether the DSSAD and the EDR are implemented as a single system or as separate systems. The time-stamp data elements retrievable from the DSSAD shall include the record for the last activation or deactivation of the feature used at the time of the event within the same power cycle. The data elements shall be retrievable in the format specified in Annex 8 of UN Regulation No. 185, though DSSAD location data may be omitted and dates and times recorded may be replaced with information representing the time elapsed between the recording of each DSSAD data element and the triggering of the EDR.

Proposal to clarify that the EDR volatile memory buffer for last stop trigger activation shall accommodate data related to at least five different stops to be overwritten on a first-in first-out basis, and that data for the most recent stops shall be written to non-volatile memory in a way that does not interfere with the event record related to any other trigger of paragraph 5.3.1.

The document discusses amendments to UN R149 regarding road illumination device requirements. Illuminance and light intensity requirements have been amended multiple times over 16 years. The basis for type approval was adapted to 13.2 volts, increasing required values by approximately 40 per cent. In the 01 series, maximum values at 50L increased by a factor of 4 to improve visibility and pedestrian recognition. On dual carriageways, headlamp illuminance should exceed 8 lx@25m in point E50R/L and 16 lx@25m in point E75R. On motorways, E75R should exceed 36 lx@25m with half those values in E50L. However, increased light intensity increases glare risk for oncoming vehicles, particularly with levelling changes due to load.