David Zipper July 2, 2017 2017, CityLab Private Mobility Services Need To Share Their Data. Here's How. David Zipper July 2, 2017 2017, CityLab Why Uber and Lyft should share their trip data with public authorities.
David Zipper April 10, 2017 2017, CityLab Who Owns Transit Data? David Zipper April 10, 2017 2017, CityLab The controversial emergence of the GTFS transit data specification.