on any given day, the 101 loop that surrounds phoenix carries up to 120,000 vehicles driving 65 miles an hour or faster. and it's the arizona department of public safety's job to make sure commuters avoid its daily hazards. according to officer jeremy perry. >> as i patrol motor officer, most of my calls are what i deal with on a daily basis is traffic relation, whether it's traffic stops, collisions, motorists helping individuals that are broken down on the freeway. >> november 16, 2011. during rush hour on the 101 loop a car is clipped by another vehicle, hits the wall and flips. the driver is okay. but her two small dogs in the car get spooked and bolt in opposite directions. one of them, a shih tzu called muffin, is caught on camera.