In recent years, the number of vehicles on US roads reached record levels of over 253 million cars and trucks. At the same time, usage of public transportation is also at an all-time high with Americans taking almost 11 billion trips a year. For World Car Free Day 2016, we’re playing a little game to see if we can figure out your favorite mode of transportation - based on six simple questions. As an added bonus, we’ll even tell you what it says about you.