CIE 88-2004 Guide for the Lighting of Road Tunnels and Underpasses (2nd Edition (D))
DIN 13201-1 Road lighting - Part 1: Selection of lighting classes*, 2021-09-01 Update
DIN 19226-4:1994 Control technology; terms and definitions of control systems
DIN 4844-1:2005 Graphical symbols - Safety colours and safety signs - Part 1: Design principles for safety signs in workplaces and public areas (ISO 3864-1:2002 modified)
DIN 5034 Daylight in interiors - Part 6: Simplified determination of suitable dimensions for rooflights*, 2021-08-01 Update
DIN 5034-2 Daylight in interiors - Part 2: Principles*, 2021-08-01 Update
DIN EN 50171 Central power supply systems; German version EN 50171:2001 + Corrigendum 2001-08
DIN 67524-1:2008 history
2019DIN 67524-1:2019-01 Lighting of street tunnels and underpasses - Part 1: General quality characteristics and guide values
2017DIN 67524-1:2017 Lighting of street tunnels and underpasses - Part 1: General quality characteristics and guide values