As first documented by @noahbudnick, the section of the Prospect Park loop south of the lake has had new markings (and a smooth, fresh surface) for a few weeks. On this section you can experience the more spacious 24/7 accommodations for walkers, joggers, and cyclists that will soon expand to the rest of the loop. I was over there about two weeks ago and it was kind of remarkable to see everyone using the lane designated specifically for them.

According to electronic message boards stationed in the park, the rest of the loop will get new markings starting on May 11 (word is new pavement is not in the works). Now about that rush-hour car lane…