Shouldn't surprise us. We see them five days a week and hardly pay attention to them. There's a huge yard where school buses are stored and maintained and I only see it out of the corner of my eye.
480,000 of them on the roads every school day. Multiply that by 35, the number of pupils each one carries, and it will make you stop and think.
Read the story @ School Buses America s Largest Transit System Newgeography.com
