If you're stuck in traffic as a driver, you might start looking for another route. Maybe you already know a short cut down a side street, or maybe your GPS even suggests one. Most drivers wouldn’t think twice about cutting through a residential area to avoid traffic. But among transportation researchers, this is sometimes known as rat running. And a recent coroner’s report into the death of a 7-year-old girl is recommending that Quebec do more to discourage drivers from doing it.