I've noticed something that concerns me in my travels lately, and that is the single long, narrow, curved tire marks that begin about two thirds of the way into a corner and end when the curve does. They don't appear in the traffic lane in the lateral position that one would expect of a vehicle travelling where it should either. These are weight shift marks and indicate a heavy transport truck on the edge of overturning.
The Ministry of Transportation and Infrastructure has updated their list of 
Vancouver's Worst Drivers is 
The case of 
On a morning walk I found myself facing a young woman across a busy intersection while we waited for the traffic signal to change. She was facing me but keeping an eye on the van waiting beside her at the red light signalling a right turn. As I watched the situation unfold I was impressed with this woman's street smarts.
The background to this document states that: "As the prevalence of alcohol-impaired driving decreases, and as more jurisdictions decriminalize or legalize cannabis, it is increasingly important for policy makers to have accurate information on the prevalence and pattern of drug driving."
Here's an interesting question from 