This question requires an estimation of the number of self-driving cars needed for the entire U.S. population. A strong approach would involve estimating the total U.S. population, determining the percentage of the population that would require transportation (e.g., excluding very young children and potentially some elderly or disabled individuals), and then estimating the average utilization rate of these vehicles. For instance, if 80% of the 330 million U.S. population requires transportation, that's roughly 264 million people. If each person had their own car, it would be 264 million vehicles. However, a more realistic scenario would consider shared autonomous vehicles, reducing the total number needed. For example, if one shared vehicle could service 5-10 people throughout the day due to optimized routing and reduced downtime, the number of vehicles could be significantly lower, perhaps in the range of 26-53 million.
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