Q: My house needs a lot of work, but I just don’t have the time or skills. Is sharing work with neighbors a solution? How can I can do that?

When I began exploring how bike route signage could be redesigned to increase its effectiveness for Los Angeles, I quickly discovered that a test case was in order.

1. Flip a Coin: "Lliving a block away from the World Trade Center site after 9/11, I re-explored lower Manhattan by leaving my house, flipping a coin at every intersection to determine my route," writes photographer and writer Gavin Edwards.

The idea that Los Angeles is a car town is a generally agreed-upon truism that few Angelenos would think to dispute. In the popular imagination the act of driving is what defines the city.