Keywalk. a key operated extension of 'walk - don't walk' traffic signals
Franz Winkler · Road and transport research · 1995
KEYWALK is a tool available to traffic engineers to provide a service to a section of the community previously not catered for a traffic signals. It is simple, inexpensive, and has the potential to provide a new degree of freedom for mobility impaired pedestrians. This paper describes the concept and hardware of the KEYWALK system. Language: en