Normally I'm the first to blame suburban sprawl for unsafe roads - an environment where you have to drive everywhere all the time breeds complacency...
however,
The fact that we're talking about decidedly non-suburban Europe, and that 2010 is identified as the local minimum, pretty strongly implies that the rise of smartphones and other touchscreen-based devices is the culprit.
however,
The fact that we're talking about decidedly non-suburban Europe, and that 2010 is identified as the local minimum, pretty strongly implies that the rise of smartphones and other touchscreen-based devices is the culprit.