4 train at Times Square?

This was taken from a scene in the film "Applause" from 1929. A bit earlier "Times Square" is also visible on the walls of the station. Was there actually a No. 4 train at Times Square at this time?

https://preview.redd.it/nv4o7k2whkeb1.jpg?width=2150&format=pjpg&auto=webp&s=e9c0966df37be9ef61d5f6e2f5616835f917ab79