Scoop: Lyft acquires cartop advertising startup Halo Cars

Scoop: Lyft acquires cartop advertising startup Halo Cars

Ride-sharing companies aren't the traffic solution they'd once hoped to be, the Wall Street Journal reports.

The big picture: "Multiple studies show that Uber and Lyft have pulled people away from buses, subways and walking, and that the apps add to the overall amount of driving in the U.S.," per the Journal.