In September 2017, Musk presented plans for cargo ships to Mars in 2022 and crewed flights in 2024. No spacecraft has gone to Mars. NASA’s own planning treats radiation, life support and landing as unsolved problems for any crewed mission. [1][2]
In April 2019 he said Tesla would have more than a million robotaxis on the road by 2020. Limited robotaxi service began in Austin in 2025. [3]
In 2017 he said his tunneling company had government permission for a tunnel linking New York, Philadelphia, Baltimore and Washington; the transit authorities in all four areas denied knowing of any such agreement. [4]
Some projects exist in smaller form than promised. The Boring Company runs a Tesla-in-tunnel service in Las Vegas, which the convention authority describes in its visitor guidance; capacity figures on the company’s site are targets, not measured ridership. [5][6]

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