Boston’s newest form of public transportation, the data-driven pop-up bus service Bridj, plans to start running free trips for 300 test users on June 2.

After a monthlong trial, Bridj will open to the public, starting with a handful of nonstop routes in Boston, Brookline, and Cambridge. The Cambridge startup intends to fill the gap between MBTA service and such technology-driven car firms as Uber.

Bridj is leasing vehicles from Academy Bus equipped with high-speed Wi-Fi and leather seats. Routes are determined by anonymous data supplied by riders, such as where they live and where they work. Popular destinations and events such as Red Sox games will also be factored into where and when service will be offered on a given day.


Discounts on the $5-$8 fare will be offered to riders who allow Bridj to access the GPS information on their phones to analyze travel demand. Matthew George, the 23-year-old founder of Bridj, said he plans to ramp up service quickly, adding routes around Boston and in the nearby suburbs and eventually take his vision nationwide.


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Katie Johnston can be reached at katie.johnston@globe.com. Follow her on Twitter @ktkjohnston.