This is quite a coincidence! I wrote a song called "Traffic Lights", in the trad jazz style, many years ago while held-up at a set of lights. "I'm gonna miss these traffic lights girl, I don't think I'll get through. But although I'm gonna miss these lights, I won't miss them as much as I miss you."
At the time (mid 70s) I was driving a van for a garage and used to keep a cassette recorder on the passenger seat. I also wrote a song called "Rainbow" at the time and probably one or two others that weren't related to my journey.
I intend to rework and re-record Traffic Lights some day so you might hear it eventually. "Rainbow" is probably a bit too twee/corny.