Thread: Reduce Traffic - Turn left on a RED
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Old June 8th 04, 09:31 PM posted to uk.transport.london
Robin May Robin May is offline
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Default Reduce Traffic - Turn left on a RED
(Richard M Willis) wrote the
following in: om

Aside: does anyone know why some traffic signals here show a
green filter arrow *AND* a solid green light simultaneoulsy,
given that the latter allows a superset of the filtered traffic
to "go". ?

I can think of one traffic light where a green light means you can go
forward and turn right if no traffic is coming from the opposite
direction, but a green light *and* green arrow mean that there is a red
light for traffic coming the opposite direction so you can turn right
without needing to worry about oncoming traffic.

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