text: Even if this woman did get to her destination safely, many factors had to take roll in making driverless cars possible. For starters, the law would have to be set. "New laws will be needed in order to cover liability in case of an accident." (paragraph 9). It takes 75% of congress to be able to take a law to the president. When it makes its way there, the president can still deny that law; furthermore, it has to go back to the congress and get revoted. Laws put in this position do not normally pass.