The Problem With "Children at Play" Lawn Signs
Every now and then, you will see them on a residential street: temporary plastic or corrugated yard signs, pushed into the grass on wire stakes, asking drivers to slow down because children are playing. They are always put up by residents with the absolute best of intentions. Frustrated by speeding traffic outside their front doors, neighbours are hoping to protect the kids on their block.

According to the website, the
An American Automobile Association (AAA) study in 2018 found that over the course of 4,000 miles of real-world driving, vehicles equipped with active driving assistance systems (ADAS) experienced some type of issue every 8 miles, on average. Drivers are reminded that ADAS is not a replacement for paying full attention at all times when you drive.
The University of British Columbia has prepared a report for TransLink titled
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."