Depressed about the direction Mayor Bloomberg’s congestion pricing plan is heading? Cheer yourself up by starting to plan for Park(ing) Day 2007. Friday, September 21 is the day when urban dwellers the world over pop quarters into parking meters and take over on-street spaces, temporarily transforming them into miniature parks, playgrounds, cafés and community spaces.

San Francisco is throwing down the gauntlet this year with the construction of the human-powered Parkcycle, above.

Streetsblog is looking for some New York City Park(ers) to step up and meet the challenge by building a parking space-sized studio apartment on wheels complete with Viking range, plasma television and plumbing. Take advantage of the cheapest rent in town — on-street parking space.