Quizzes & Puzzles4 mins ago
pedestrian crossing control
4 Answers
On the base of most controllers, there is a knurled knob.
Anybody know what this is for?
Anybody know what this is for?
Answers
Facilities for blind or partially sighted pedestrians
Single crossing usually have a bleeper to help blind or partially sighted people know when it is safe to cross. These are not installed on dual crossings as a blind person could hear the far crossings bleeper and think it was safe to cross. In this situation blind pedestrians should use the tactile cone...
Single crossing usually have a bleeper to help blind or partially sighted people know when it is safe to cross. These are not installed on dual crossings as a blind person could hear the far crossings bleeper and think it was safe to cross. In this situation blind pedestrians should use the tactile cone...
14:03 Sat 02nd Jun 2012
Facilities for blind or partially sighted pedestrians
Single crossing usually have a bleeper to help blind or partially sighted people know when it is safe to cross. These are not installed on dual crossings as a blind person could hear the far crossings bleeper and think it was safe to cross. In this situation blind pedestrians should use the tactile cone - virtually all signalled pedestrian crossings have a rotating knob underneath the WAIT box, which turns when the green man lights up.
http:// www.lee ds.gov. ...cros sing_si gnals.a spx
Single crossing usually have a bleeper to help blind or partially sighted people know when it is safe to cross. These are not installed on dual crossings as a blind person could hear the far crossings bleeper and think it was safe to cross. In this situation blind pedestrians should use the tactile cone - virtually all signalled pedestrian crossings have a rotating knob underneath the WAIT box, which turns when the green man lights up.
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