The driver was filmed appearing to be asleep on a road in the US.
The incident was seen by US journalist Clint Olivier and filmed by his wife Alisha on Los Angeles' busy interstate 5.
The tech entrepreneur said his revolutionary tube system could defeat 'soul-destroying' city travel.
The SEC complaint states he settled on a final share price after learning of the number’s significance in marijuana culture.
Elon Musk managed to send shares in Tesla tumbling by 7% after he was filmed smoking marijuana during the recording of a podcast.
Whatever his ventures, he always makes moves wherever he goes.