I found this by browsing through MapRoulette challenges map and found this task: https://maproulette.org/browse/challenges/13848
The challenge allows you to click Yes if the proposed changes (adding etymology) is correct and that automatically adds it to OSM without using a standard editor.

Sorry, that was not actually MTA's website

Hi. I used the MTA's website (https://www.nycsubway.org/wiki/Subway_FAQ:_Facts_and_Figures) which says that the NYC Subway uses 625 V DC, and it also matches the existing tagging.

This duplicates the existing highway.