> a 20-minute walk really shouldn’t be a major hurdle for the vast majority of working adults Most US adults live in suburban or non-dense cities. In the 20 mi

> a 20-minute walk really shouldn’t be a major hurdle for the vast majority of working adults Most US adults live in suburban or non-dense cities. In the 20 minutes it takes to walk to and from the bus stop they can complete most of their trips in a car. Driving is the competition. Walking per se isn't the problem. The time it wastes is the hurdle. > Even in... manhattan... it’s very common to spend 30 minutes... between walking to/from the And that's an acceptable tradeoff in Manhattan because driving the same distance would take twice as long and be 4 times as expensive.