text: Next, safety is key when it comes to automobiles. Right now, in most states it is illegal even to test computer-driver cars. Only California, Nevada, Florida, and the District of Columbia have legalized testing driverless cars. Although more states may follow, traffic laws are very strict, and even if they change, new laws will be made in order to cover liability in case of an accident. Technology can fail, and if that were to happen, who would be responsible? The driver or the automaker? This could result in disagreements and chaos.