How a blue light can keep cyclists from seeing red

From OregonLive Q: At the intersection of Northeast Sandy Boulevard, 57th Avenue and Alameda Street, the eastbound traffic signal has a little bright blue light just to the right of the red light. Just what is the purpose, function of the blue light? A: As if that six-way interchange weren’t chaotic enough, the Portland Bureau…… Continue reading How a blue light can keep cyclists from seeing red