Since 1952 the GTB has been recognised as the global group of vehicle manufacturers, system suppliers, light source manufacturers, testing laboratories and academia working to assure regulation and safety of automotive lighting systems and their installation. GTB membership includes 18 delegations from countries, including Europe, USA, Japan and South Africa. Representation in national delegations comes from industry, approval testing laboratories, regulatory agencies and academia.  Our principal activity today is the preparation of proposals for new and amended UNECE Regulations, taking into account technical development, actual testing experience and the safety and economic implications with a view to practical application. For further information, feel free to download our full presentation or just the short brochure:		Quick links (password requested)
		Calendar of lighting meetings
		List of GTB experts and contact details
		GTB document approval rule for GRE submission
		Access to GTB Head-delegates' documents
		GTB Terms of Reference (document under revision)
		GTB structure
		Structure and designation of work items
		Useful websites
GTB presentation	GTB brochure
Promotion of GTB Activities

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			WG Front Lighting
	WG Signal Lighting					WG Distributed Lighting Systems
				GTB documents
WG LED Forward Lighting						WG Light Sources
WG Safety and Visual  Performance						WG Photometry