4(Q) A Gallup Poll utilizing a random sample of1,503adults ages18or older was conducted in April 2018. The survey indicated that most Americans (53%) say driverless cars will be common in the nexttenyears (Gallup,https://news.gallup.com/poll/234152/americans-expect-driverless-cars-common-next-decade.aspx). The question asked was:

Thinking about fully automated, "driverless cars," cars that use technology to drive and do not need a human driver, based on what you have heard or read, how soon do you think driverless cars will be commonly used in the [United States]?

The figure below shows a summary of survey results in a histogram indicating the percentage of the total responses in different time intervals.