How many miles of driving to demonstrate driverless car reliability?

Here is some interesting research by the RAND Corporation looking into whether ti is practical to demonstrate the safety and reliability of autonomous vehicles by test-driving them prior to releasing them for public use.

Key findings:

  • Driverless cars would need to be test-driven for an impractically large number of miles in order to demonstrate reliability
  • It could take tens and even hundreds of years to complete this testing and therefore test-driving is not practical for demonstrating autonomous vehicle safety
  • Developers of driverless car technology will need to develop other methods to demonstrate reliability and safety and even then uncertainty is likely to remain
  • Regulations for driverless cars should remain flexible in order to manage the risks and uncertainty around their reliability

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