Test Trains Running under Second Avenue

"Second Avenue Subway Test Train Action"
By Dj Hammers | October 9, 2016 | via YouTube

Video of test trains running on the Q Line track - on the north side of the Lexington Ave/63rd St station.

Note the signage in the station which reads "Lex 63". One has to wonder if the MTA intends to rename this station once the Q Line service to 96th Street opens.

Further reading:
"MTA finally starts testing trains on the Second Avenue Subway"
By Danielle Furfaro | New York Post | October 10, 2016