Needlessly obnoxious retort, as gp is exactly right. There is no a priori reason to zero in on road design as a major contributory factor given the huge range of possibilities. One can easily apply profound selection bias in a complex problem simply by choosing which experts to ask.
smogcutter|6 years ago
Tfa addresses reasons cell phone use may not be as explanatory as we think. If you want to argue against that, great, but bring some evidence. Anything else is just hot air.
npo9|6 years ago