The system, initially owned by a non-profit and later by the Seattle Department of Transportation, included 54 stations in the city's central neighborhoods and 500 bicycles.

[2] On March 31, 2017, Pronto shut down operations, and disassembly of stations began, with the bicycles being offered to other cities that wish to start a similar system.

[3] It soon ran into major funding issues in 2015 after the City of Seattle put any further fundraising on hold while awaiting council approval to purchase the system.

[6] The city decided to direct Pronto's share of $3 million in funding towards Safe Routes to School and other bicycle and pedestrian programs.

[13] Seattle Children's Hospital, Group Health, REI, Vulcan Real Estate, and Fred Hutchinson Cancer Center were among the system's secondary sponsors.