text: STUDENT_NAMEIn the passage "Driverless Cars Are Coming," the author presents both positive and negative aspects of driverless cars. A positive aspect of driverless cars is Google cars have driven a million miles without a crash. The passage states, "Google cars aren't truly driverless; they still alert the driver to take over when pulling in and out of driveways or dealing with complicated traffic issues." According to the passage, a negative aspect for driverless cars is "Theses samrt-road systems worked suprisingly well, but they require massive upgrades to existing roads, something that was simply too expensive to be practical," so they would be expensive to upgrade.