Correct! There will be about 10 million self driving cars on the road in the U.S. by 2020.
Cars on the 101 in Los Angeles. <https://www.latimes.com/projects/la-me-freeway-pollution/>
A graph showing projected autonomous car use from the year 2017 <https://www.businessinsider.com/autonomous-cars-and-the-case-against-net-neutrality-2017-7>
Researchers estimate that there will be 10 million self-driving cars on the road by 2020, and 20.8 million by 2030 (“U.S. Autonomous Car Market 2018-2023 – There Will Be Some 20.8 Million Autonomous Vehicles in Operation in the U.S. by 2030 – ResearchAndMarkets.com”, 2018).