To complement emergency escape lighting,
people, especially those unfamiliar with the
premises, can be helped to identify exit routes
by the use of way-guidance equipment. Way-
guidance systems usually comprise photo-
luminescent material, lines of LEDs, or strips of
miniature incandescent lamps, forming a
continuous marked escape route at lower level
(Figure 58). These systems have proved
particularly effective when people have to
escape through smoke, and for partially-sighted
people. They can be particularly useful in
premises where they can provide marked
routes on floors and in multi-storey premises
they can direct people to escape routes which
are seldom used.