A pair of new studies add to an emerging scientific model of the effect of transportation network companies like Uber and Lyft. The complication: One study reinforces earlier findings, and the other contradicts.
Past studies have shown how ride hailing services have added to congestion. A new study by Bruce Schaller suggests that even ride shares add to traffic, because they pull riders off of more efficient transit options like public transit.
Navigation apps like Waze often reroute drivers onto residential streets that would be quiet otherwise. With some residents unable to leave their driveways, the New Jersey borough of Leonia has taken an extreme measure against the problem.