Historical
BS EN 13201-2:2003
Road lighting. Performance requirements (British Standard)
This part of this European Standard defines, according to photometric requirements, lighting classes for road lighting aiming at the visual needs of road users, and it considers environmental aspects of road lighting. NOTE Installed intensity classes for the restriction of disability glare and control of obtrusive light and installed glare rating classes for the restriction of discomfort glare are defined in annex A.
British Standards Institution [bsi]