text: The reasons why these cars have not been made yet isn't because we don't know how to make them or even manufacture them. Which leads us to our negitive effects, It's because of the law and expense of redesighing a mass restruction of all the roads. According to the article, Lawmakers focus on keeping drivers, passengers, and pedestrians safe, and safety is best acheived by this if the drivers are alert. Another concern is what happens if there is an accident? Who is to blame the driver or the manufacturer? The article says that these smart cars will have to use the binary code. These smart-road systems worked well, but required massive upgrades to existing roads, somthing to expensive.