That's the one. Due to its small size, it's more indicative of an effect - it would be interesting to see if it could be replicated. There's some bike cams (Gar

That's the one. Due to its small size, it's more indicative of an effect - it would be interesting to see if it could be replicated. There's some bike cams (Garmin?) that include a radar to measure closeness of vehicles passing, so it would be relatively easy to conduct a much larger scale.