While the Obama administration keeps talking up high-speed rail, the real revolution around the corner in transportation is the driverless car. While the public sector – the federal government and the state of California – spend huge amounts of money on a high-speed rail line that will initially link Fresno and Bakersfield, the private sector – Google and others – are developing driverless cars which will be able to take you not from one rail station to another but from where you are to exactly where you want to go.

How will the driverless car affect where we live and how we get about? Here are some intriguing answers from Berkeley graduate student Issi Romem, h/t Tyler Cowen. Short answer: cities will be more spread out (because driverless cars can get us farther faster, and cities will be more tightly packed (because we won’t need so much space for parking lots).