This is a pretty nifty effort in Los Angeles to convert a street (with existing large grassy median) into a park, for pedestrians, bicycling, etc.
"...What if Central Los Angeles could have a new park, 30+ acres and 3+ miles long? That’s the vision for San Vicente Park, a replacement for much of the significant public land currently devoted to San Vicente Boulevard. With the newly opened Metro D-Line and the approved K-Line Northern Extension, a re-imagining of mobility and recreation will become available to reconsider public space for more vibrant communities..."