What a week! Transit ridership skyrocketed (ahem, by 1.1 percent) to levels not seen since 1956 (depending how you look at it). Radio Shack is shutting down 20 percent of its stores. Is brick-and-mortar retail collapsing — and is it just as well, if getting delivery from Amazon is more efficient than driving to the store anyway? Plus, there’s a new video game for transit nerds to stay up all night obsessing over!

And we tackle the fundamental question of how to make a real change in how people get around. Will it happen just by improving transit and other modes — or do you need to make driving less appealing, as Emily Badger suggests in Atlantic Cities?

Tell us what you think in the comments. And remember, you can subscribe to the RSS feed or subscribe to the podcast on iTunes.