In 5 years, I've been yelled at I think 3 times, honked at 3 or 4, and had a half-full plastic water bottle thrown at me once. Never been passed close enough that I'd call it a buzz, closest has been a bit less than 2 feet I'd guess. Most people give me 5+ feet, possibly because nobody seems to really know where the right hand side of their car is.
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Work: the 8 hours that separates bike rides.