🇺🇸 A video appears to show a Muni operator falling asleep moments before a July 31 crash involving two empty Muni trains.

🇺🇸 A video appears to show a Muni operator falling asleep moments before a July 31 crash involving two empty Muni trains. The #SanFrancisco Municipal Transportation Agency says the incident was initially determined to have been caused by operator fatigue.They have senors in cars to detect if you're tired. Install them here 😬Follow main channel -> LiveLeak Follow private channel -> LiveLeak Private