Growing up in suburban Ohio, the most complicated parking sign Michael Bierut recalls ever encountering was the classic, two-word prohibition mounted over the rare driveway or fire hydrant: NO ...

The school bus that struck and killed an Indiana principal as she pushed her students out of harm's way last month was moving because the driver didn't engage a parking brake, a police report says.

As a principal at Pentagram, he has created logos, ... “Design conventions for the parking signs were basically almost 19th century in their character,” Mr. Bierut said.