Officialdom

		Railway Engineering Safety Management (The Yellow Book)

		ORR Guide to Safety Verification for heritage railways PDF file (1877kB)

		ORR guide to The Railways and Other Guided Transport Systems (Safety) Regulations 2006 (ROGS) PDF file (545kB)

		The Railways and Other Guided Transport Systems (Safety) Regulations 2006 (ROGS) PDF file (211 kB)

		Rail Safety & Standards Board

Consultancy (Engineering, Risk & Safety)

		Institution of Railway Signal Engineers

		Signalling Record Society

		Narrow Gauge Heaven

		TERN Systems

		The Signal Box

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