> Traffic lights are a combination of color and position There are some places in the US where the traditional 3-color traffic light is mounted sideways. I do

> Traffic lights are a combination of color and position There are some places in the US where the traditional 3-color traffic light is mounted sideways. I don't remember if it's RYG or GYR. I would expect this to be confusing to a person with the right kind of color-blindness!