The safest infrastructure are ones that split pedestrian / bicyclist / motor traffic as much as possible, for obvious reasons. But that infrastructure has fallen out of favor as of late. "Complete streets" are the new fashion trend, and are significantly more dangerous, by combining these forms of traffic altogether and just sort of hoping it all works out. But, "complete" streets are super cheap, and give the illusi…
No, cyclists fare best when they act and are treated as drivers of vehicles: http://www.johnforester.com/
In roads that are not designed for cycling (where cyclists have to share the road with car drivers), perhaps it is true that they fare best when they act as vehicles. However, the safest option by far is not sharing the road with cars to begin with.
[1] https://www.forbes.com/sites/niallmccarthy/2015/02/24/the-mo...