Not necessarily. I wish I could remember the specifics, but a couple of years ago, traffic was backed up outside of Saskatoon on the highway. Nobody was moving. People who were texting their bosses to let them know they were going to be late were being ticketed for texting and driving, even though traffic was at a standstill. They were talking about the whole thing on the radio, warning people not to be on their phones, but I couldn't find a specific news article on it as I don't remember enough of the details.
ETA: I found a paragraph on
r/Saskatoon that detailed the account I mentioned above.