I used to ride in the morning between 0630 and 0800. Never had any dust ups with cars, but folks in the morning are just not paying attention and they, on occasion, would pass closer than I was comfortable with. I rode on the two lane blacktops here in Iowa for a lot of years and just accepted the risk, but about three years ago the little voice in my head told me it was time to leave the highway and ride the bike path. I love the farm to market highways here, but I just didn’t feel safe any longer, particularly as distracted driving with cell phones has risen so sharply. YMMV

Mark