> "Longer trains are not in the cards however. The report notes: "Given that increasing the length of G trains to 600 feet at current ridership levels would be a misallocation of NYC Transit resources and could lead to reduced service frequency and crowded transfers, other means were examined to address concerns associated with short trains."
And yet, it sounds like they want to spend billions on this streetcar project.
Having said that, the routes aren't excessively overlapping. The proposed BQX hugs the water, whereas the G train goes inland quite a ways north of Prospect Park.