Data generated by travel modes can inform planners and regulators in improving the transportation system, but private mobility companies often restrict their access for concerns about privacy and competition.
Dubbed the "Seattle Squeeze," heavier traffic is expected in the new year as the Alaskan Way Viaduct closes and downtown construction projects continue. While the city prepares, activists want to use the opportunity to encourage other modes.
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.