8. The expert from Germany presented informal documents GRSG-122-23 a proposal for amendments to UN Regulation No. 107 aimed at adding new requirements to service-door light signalling in tramways and railways. Representatives of Switzerland and France expressed concerns on the possibility of sensory overload from lightning for road users because the tramways share the same traffic area as other road users. The representative of Switzerland in conclusion said there seemed to be no real advantage of illuminated doors in tramways and railways. The representative of the United Kingdom also expressed concerns and said there is need to clarify further with colleagues from GRE dealing with lightning matters.