Complex sentence: Eastbound traffic exits at Fifth Street and makes a left onto Caton Avenue, crossing over the Prospect Expressway, while westbound NY 27 turns south on Coney Island Avenue and west on Church Avenue to meet the expressway's south end.
Split into simpler sentences: Eastbound traffic exits at Fifth Street, making a left turn onto Caton Avenue, crossing over the Prospect Expressway. Westbound NY 27 turns south onto Coney Island Avenue, then west on Church Avenue to meet the expressway's south end.