The coalition brought the proposal to Metra last month. Metra had previously begun a study with the Northern Indiana Commuter Transportation District examining capacity along the Metra Electric District Line, including whether it has the electrical power to support more trains and what changes would be needed in the track and power system. That study, which should answer some of the questions about the coalition's proposal, is expected to be done in early 2017, Metra spokesman Michael Gillis said .