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Status Report of IWG on Safer Transport of Children in Buses and Coaches

The informal working group, chaired by Marta Anglès from Spain, is focused on ensuring the safer transport of children in buses and coaches. Their timeline outlines plans and schedules for 2023-2025, with key elements including test configurations, retention systems, and new UN regulations. Decisions have been made regarding construction modifications and CRS components. Ongoing efforts include monitoring head impacts and test procedures, with next steps involving comparisons of tests in different settings.

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Status Report of IWG on Safer Transport of Children in Buses and Coaches

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  1. Informal document GRSP-74-01 (74th GRSP, 04 - 08 December 2023, agenda item 18) Submitted by Spain STATUSREPORT OF THE INFORMALWORKING GROUP ON SAFERTRANSPORT OF CHILDREN IN BUSES AND COACHES (IWG-STCBC) CHAIR: MARTAANGLÈS, SPAIN SECRETARY: COSTANDINOSVISVIKIS, CLEPA

  2. INFORMALWORKING GROUP Next meeting Lasts meeting 17th IWG-STCBC meeting Date: 30 August 2023 Location: Brussels 18th IWG-STCBC meeting Date: 13thNovember Location: Online

  3. TIMELINE Plan and Schedule 2025 2024 2023 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 190 189 191 196 195 197 194 192 193 WP.29 74 73 77 75 76 GRSP 18 19 20 21 23 17 22 24 25 IWG Working Doc. Informal Doc. 2ndphase approved IWG submission of 2ndphase Regulation

  4. SUMMARY OF THE NEW UN REGULATION Time line GRSP- May 2025 WP.29 – November 2025 Objective No ejection of the children. Good retention in the seat Phase 1 a: CRS approved according to R-129 with 3-point belt and or ISOFIX b: Built in systems Phase 2 CRS in combination with 2-point belts 4

  5. KEY ELEMENTS o Test configurations: Frontal impact and rollover o Retention system: 2-point belt o Consideration of the CRS: R-129 approved CRS + additional new UN Regulation approval CRS for buses and coaches New UN R129 UN XXX 5

  6. DECISIONS DONE o Construction of the bus will not be modified. o Separate components on the CRS for installation will not be allowed. o Combination of 2-point belts and top tether or Support leg will not be allowed. •Dummy injury criteria for monitoring purposes •Head displacement for monitoring purposes Before XX/XX/XX o Tests results: 1ststep: Dummy injury criteria for monitoring purposes only 2ndstep: Dummy injury criteria mandatory from XXX • • •Dummy injury criteria mandatory •Head displacement mandatory After XX/XX/XX 6

  7. ONGOING o Head impact through the front seat acceptable only if the impact is in the R80 zone. o Test procedure: Test bench (UN R129) / Real bus seat • o Labeling. o Minimum characteristics necessary for the installation of the CRS in the bus seat: Length of Seat belt. Distance between lower anchorages points • • 7

  8. NEXT STEPS o Tests comparison: Tests to be done in the UN R129 test bench Tests to be done in a bus seat • • 8

  9. THANK YOU FOR YOUR ATTENTION 9

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