Ever wonder which streets have the slowest car traffic? What your average driving speed is? Where you brake the most? New data may help us find that out. The Wall Street Journal recently reported that The New York City Department of Transportation recently received a grant from the Federal Highway Administration to launch a program that monitors 500 cars with transponders around the city. Data will be available through apps to both car users and the city DOT. Participants in the program will receive a discount on their car insurance, and the city will have more data about car travel. Our own Sarah Kaufman was quoted talking about the potential pros and cons of the program.