While Uber is disclosing major changes to its management structure today, here’s something to ponder:
Every weekday, ride-hailing companies cause more than 20 percent of all traffic in San Francisco. Uber and Lyft make more than 170,000 pickups in San Francisco every weekday. Those cars log in 570,000 miles combined per weekday. 5,700 Uber and Lyft cars hit the roads from 6:30 p.m. to 7 p.m. on weekdays. 6,500 Uber and Lyft cars flood the city on Friday night, from 7:30 p.m. to 8 p.m. 222,500 trips…