An apparently driverless Ford van caught NBC’s attention this week, with the test-driver hiding from view by wearing a car-seat disguise. Thinking it had caught Ford in violation of current regulations, the news network investigated and unearthed the costume, which is apparently being used to study pedestrian behavior and reactions to cars without drivers. Spotted driving in Arlington, Virginia, News4’s Adam Tuss tracked it down this week to take a look inside, discovering that its test driver was dressed, from the waist up, as a car seat. Able to fully control the Transit Connect, the driver’s garb thoroughly confused Tuss, who likened it to a sports mascot’s costume. News4, an NBC affiliate, spoke to the Virginia Tech Transportation Institute, which…