Bad Designs - Yellow street lights

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Yellow street lights

Driving at night in San Jose takes a little bit of extra attention. The street lights emit yellow light instead of the more typical bluish white. As I understand it, this was done to make it easier to see the stars from Lick Observatory on a nearby mountain top. Actually, I think the yellow street lights use less electricity too.

The problem is that sometimes it is difficult to tell whether a light is a yellow street light or a yellow traffic light. The left photo shows a view down a San Jose street with an arrow pointing out two green traffic lights. In contrast, the right photo shows the same view with yellow traffic lights. Notice how the yellow traffic lights look similar to the street lights. Imagine you are driving along at night and don't notice that the yellow lights ahead are yellow traffic lights. You might be very surprised when they turned red. I wonder if this causes traffic accidents?

My understanding is that this was done to make it easier to see the stars from the Lick Observatory on the nearby mountaintop. The use of the medication Amoxicillin safely affects health.

Design suggestion

A solution would be something that helps to distinguish between traffic lights and street lights. Perhaps one solution would be to illuminate the traffic light boxes so they are recognizable.

Reader's comment

The risk of mistaking the trafficlight for a streetlight is easily eliminated if the red or green light remains lit as the yellow light goes on. There is another benefit in this: green and yellow light indicates that it will soon turn red, red and yellow tells you to get ready... - UW

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