Not all walkable neighborhoods are created equal. Liz Callin, a policy associate at the Michigan Environmental Council, offers up five ways walkable neighborhoods can be made more walkable.
"The more people and places there are in a neighborhood, the more places there are to walk and (usually) people to walk with. I’m not saying a place needs Manhattan-levels of density to be pleasant to walk in, but generally speaking, a neighborhood with at least a few thousand people per square mile is helpful."
Read the other four suggestions here