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Questions about Traffic Signals? Ask, and We’ll Answer in a Signals FAQ

Do you ever wonder how traffic signals work?

Here’s a sample of questions we’ve heard before:

“Does flashing my high beams when I’m stopped at a signal make it change faster?”

“What happens if I push the pedestrian button multiple times?”

Let us know what YOU want to know about traffic signals, and we’ll be back with answers to your top questions.

Please email your signal-related questions to with the subject “Signals FAQ” or tweet us (@SeattleDOT) using the hashtag #askSeattleDOT by April 19th, 2017.

We’ll compile questions and create a blog with answers to top questions on April 28, 2017.