UPDATE (09.13.2021): New image added. In a previous update, I substantially revised this post for clarity.
Welcome back to my ongoing NYTIP series! In my last post, I discussed the Eastern Parkway trunk line in Brooklyn served by the 2, 3, 4, and 5 lines. In this post, I will discuss the 2, 3, 4, and 5 lines in Upper Manhattan and The Bronx, and explain why de-interlining is extremely challenging.[Go on…]