It doesn't need to solve everything for everyone if it succeeds in reducing road congestion by being accessible by 95% of the population. Also strollers are mu

It doesn't need to solve everything for everyone if it succeeds in reducing road congestion by being accessible by 95% of the population. Also strollers are much easier with elevators, but they're not impossible to use with escalators and even can be reasonably lifted for stairs. We've done it plenty. Of course the stroller should be city-sized, not suburban-sized.