Here are a couple of articles out there about it.
Overall, the evolution of adult urban biking in D.C. from fringe specialist activity to a more mainstream transportation model has been positive. It’s easy to see at a place like Bicycle Space DC on 7th Street. The judgment free zone and inviting decor is designed to welcome people who might be new to the life. And judging from the 3-floor warehouse full of bikes next door to their main storefront, the strategy is working.
“The people I hear from most nowadays, are the ones who are buying cargo bikes. A lot of families are moving to taking their kids to school on bikes and doing all their grocery shopping on bikes…that’s who I hear from most,” Antonio Pelton, their marketing manager said Thursday. “Because they want to talk about their situation and how their needs are going to be met, if they can go car-free.”
Vox has lots of stats.