| ADAS task force status report to GRVA |
| Reference Number: GRVA-24-16 |
|
Status report including supporting explanation of the 02 series amendment proposals. |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 16 Jan 26 |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| UN R171: Proposal to amend GRVA/2026/4 |
| Reference Number: GRVA-24-17/Rev.2 |
|
Consolidated version of the 02 series of amendments based on GRVA/2026/4 and including all amendments agreed during the 24th GRVA session. |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 23 Jan 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| UN R171: Provisions of the proposed 02 series relevant to the original text and 01 series |
| Reference Number: GRVA-24-18 |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 16 Jan 26 |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| UN R171: 02 provisions relevant to the original text of the UN Regulation |
| Reference Number: GRVA-24-18/A |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 21 Jan 26 |
| Document status: Informal GR review |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| UN R171: 02 series provisions relevant to the 01 series of amendments |
| Reference Number: GRVA-24-18/B |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 21 Jan 26 |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| UN R171: Proposal for a Supplement to the original text and 01 series of amendments |
| Reference Number: GRVA-24-19 |
|
Proposal to allow alternative strategies to be used for lower speed lane changes, clarify wording, and correct typographical errors. |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 16 Jan 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| UN R171: Proposal for a Supplement to the original text |
| Reference Number: GRVA-24-19/A |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 21 Jan 26 |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| UN R171: Proposal for a Supplement to the 01 series of amendments |
| Reference Number: GRVA-24-19/B |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 21 Jan 26 |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| UN R171: Proposal to amend GRVA/2026/4 |
| Reference Number: GRVA-24-41/Rev.1 |
|
Proposal to revise the transitional provisions and provisions on continued compliance with Safety Management Systems provisions. |
| Submitted by: UK |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 22 Jan 26 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| UN R171: Proposal for a 02 series of amendments |
| Reference Number: GRVA/2026/4 |
|
Proposal to modify UN R171 through the 02 series of amendments, based on WP.29/2025/7, WP.29-195-05, and WP.29/2025/144, introducing modifications addressing system-initiated manoeuvres in non-highway environments and during phases of withholding hands-on requests, enhanced driver disengagement monitoring and warning strategies, controllability requirements for complex operational scenarios, speed limit assistance features, safe headway assistance, system validation through multiple assessment pillars including physical tests and in-service monitoring, and comprehensive safety management system requirements for manufacturers. Additional specifications include monitoring of DCAS operation with mandatory reporting of safety-critical occurrences to Type Approval Authorities, periodic reporting requirements with specific data collection metrics, and software identification and updating compliance with UN R156. |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 07 Nov 25 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS) |
| Click here to view the full document file |
| Proposal to amend Regulations under GRVA for application to ADS vehicles |
| Reference Number: GRVA/2026/6 |
| Meeting Sessions: 24th GRVA session (19-23 Jan) |
| Document date: 07 Nov 25 |
| Document status: Superseded |
| Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking, UN Regulation No. 89 | Speed Limitation Devices, UN Regulation No. 90 | Replacement Brake Linings, Discs, and Drums, UN Regulation No. 131 | Advanced Emergency Braking Systems, UN Regulation No. 130 | Lane Departure Warning Systems, UN Regulation No. 140 | Electronic Stability Control Systems, UN Regulation No. 178 | Emergency Lane-Keeping Systems, UN Regulation No. 139 | Brake Assist Systems, UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles, UN Regulation No. 157 | Automated Lane-Keeping Systems (ALKS), UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS), and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
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| 6. (a) | Driver-Control Assistance Systems |