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Why are some pedestrian traffic lights covered in shades in London?
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I recently visited London and noticed some pedestrian traffic lights are covered weirdly so they're only visible from some angles.
Looking it up in a search here didn't bring up any results.
Does anyone know why they're going through the trouble to do this?
uk london
asked 1 hour ago
Benjamin Gruenbaum
825615
add a comment |Â
up vote
1
down vote
favorite
I recently visited London and noticed some pedestrian traffic lights are covered weirdly so they're only visible from some angles.
Looking it up in a search here didn't bring up any results.
Does anyone know why they're going through the trouble to do this?
uk london
asked 1 hour ago
Benjamin Gruenbaum
825615
So that it cannot be misunderstood when looked at from another place, where it does not apply.
– Weather Vane
14 mins ago
add a comment |Â
up vote
1
down vote
favorite
up vote
1
down vote
favorite
I recently visited London and noticed some pedestrian traffic lights are covered weirdly so they're only visible from some angles.
Looking it up in a search here didn't bring up any results.
Does anyone know why they're going through the trouble to do this?
uk london
asked 1 hour ago
Benjamin Gruenbaum
825615
I recently visited London and noticed some pedestrian traffic lights are covered weirdly so they're only visible from some angles.
Looking it up in a search here didn't bring up any results.
Does anyone know why they're going through the trouble to do this?
uk london
uk london
asked 1 hour ago
Benjamin Gruenbaum
825615
asked 1 hour ago
Benjamin Gruenbaum
825615
asked 1 hour ago
Benjamin Gruenbaum
825615
asked 1 hour ago
Benjamin Gruenbaum
825615
asked 1 hour ago
Benjamin Gruenbaum
825615
825615
So that it cannot be misunderstood when looked at from another place, where it does not apply.
– Weather Vane
14 mins ago
add a comment |Â
So that it cannot be misunderstood when looked at from another place, where it does not apply.
– Weather Vane
14 mins ago
So that it cannot be misunderstood when looked at from another place, where it does not apply.
– Weather Vane
14 mins ago
So that it cannot be misunderstood when looked at from another place, where it does not apply.
– Weather Vane
14 mins ago
add a comment |Â
1 Answer
1
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votes
up vote
3
down vote
You are most likely to find the green light with shades on the far side of a pedestrian crossing with a safety island, as illustrated below (the o are the traffic lights):
Kerb
____-----o____ <- Shaded light
. . >>> Traffic goes this way
. .
____=====o____ The safety island
=====o
. . <<< Traffic goes this way
. .
____-----o____ <- Shaded light
Kerb
Due to road layout and light configurations, sometimes it is only safe to cross half of the road (up to the safety island). The shades ensure that you do not mistake the green light on the island as the signal to cross the entire road - you can only be sure that it is a green light (but not a broken light, which the general highway code on crossing a uncontrolled crossing kicks in) once you are on the island.
Similar shades are installed on traffic lights for vehicles to reduce the risk of drivers running into an intersection thinking it is a green, when the light meant for the driver is showing red.
I do not have a written source to back up what I said above, though I was told this by my driving instructor when I learnt to drive in London a few years ago.
answered 1 hour ago
B.Liu
3549
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
3
down vote
You are most likely to find the green light with shades on the far side of a pedestrian crossing with a safety island, as illustrated below (the o are the traffic lights):
Kerb
____-----o____ <- Shaded light
. . >>> Traffic goes this way
. .
____=====o____ The safety island
=====o
. . <<< Traffic goes this way
. .
____-----o____ <- Shaded light
Kerb
Due to road layout and light configurations, sometimes it is only safe to cross half of the road (up to the safety island). The shades ensure that you do not mistake the green light on the island as the signal to cross the entire road - you can only be sure that it is a green light (but not a broken light, which the general highway code on crossing a uncontrolled crossing kicks in) once you are on the island.
Similar shades are installed on traffic lights for vehicles to reduce the risk of drivers running into an intersection thinking it is a green, when the light meant for the driver is showing red.
I do not have a written source to back up what I said above, though I was told this by my driving instructor when I learnt to drive in London a few years ago.
answered 1 hour ago
B.Liu
3549
add a comment |Â
up vote
3
down vote
You are most likely to find the green light with shades on the far side of a pedestrian crossing with a safety island, as illustrated below (the o are the traffic lights):
Kerb
____-----o____ <- Shaded light
. . >>> Traffic goes this way
. .
____=====o____ The safety island
=====o
. . <<< Traffic goes this way
. .
____-----o____ <- Shaded light
Kerb
Due to road layout and light configurations, sometimes it is only safe to cross half of the road (up to the safety island). The shades ensure that you do not mistake the green light on the island as the signal to cross the entire road - you can only be sure that it is a green light (but not a broken light, which the general highway code on crossing a uncontrolled crossing kicks in) once you are on the island.
Similar shades are installed on traffic lights for vehicles to reduce the risk of drivers running into an intersection thinking it is a green, when the light meant for the driver is showing red.
I do not have a written source to back up what I said above, though I was told this by my driving instructor when I learnt to drive in London a few years ago.
answered 1 hour ago
B.Liu
3549
add a comment |Â
up vote
3
down vote
up vote
3
down vote
You are most likely to find the green light with shades on the far side of a pedestrian crossing with a safety island, as illustrated below (the o are the traffic lights):
Kerb
____-----o____ <- Shaded light
. . >>> Traffic goes this way
. .
____=====o____ The safety island
=====o
. . <<< Traffic goes this way
. .
____-----o____ <- Shaded light
Kerb
Due to road layout and light configurations, sometimes it is only safe to cross half of the road (up to the safety island). The shades ensure that you do not mistake the green light on the island as the signal to cross the entire road - you can only be sure that it is a green light (but not a broken light, which the general highway code on crossing a uncontrolled crossing kicks in) once you are on the island.
Similar shades are installed on traffic lights for vehicles to reduce the risk of drivers running into an intersection thinking it is a green, when the light meant for the driver is showing red.
I do not have a written source to back up what I said above, though I was told this by my driving instructor when I learnt to drive in London a few years ago.
answered 1 hour ago
B.Liu
3549
You are most likely to find the green light with shades on the far side of a pedestrian crossing with a safety island, as illustrated below (the o are the traffic lights):
Kerb
____-----o____ <- Shaded light
. . >>> Traffic goes this way
. .
____=====o____ The safety island
=====o
. . <<< Traffic goes this way
. .
____-----o____ <- Shaded light
Kerb
Due to road layout and light configurations, sometimes it is only safe to cross half of the road (up to the safety island). The shades ensure that you do not mistake the green light on the island as the signal to cross the entire road - you can only be sure that it is a green light (but not a broken light, which the general highway code on crossing a uncontrolled crossing kicks in) once you are on the island.
Similar shades are installed on traffic lights for vehicles to reduce the risk of drivers running into an intersection thinking it is a green, when the light meant for the driver is showing red.
I do not have a written source to back up what I said above, though I was told this by my driving instructor when I learnt to drive in London a few years ago.
answered 1 hour ago
B.Liu
3549
edited 5 mins ago
answered 1 hour ago
B.Liu
3549
answered 1 hour ago
B.Liu
3549
answered 1 hour ago
B.Liu
3549
3549
add a comment |Â
add a comment |Â
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So that it cannot be misunderstood when looked at from another place, where it does not apply.
– Weather Vane
14 mins ago