Bingo. Men/women, breadwinners/household labour and a few other axis tend to use a city much differently. By collecting the data that force was able to find gaps that were already existing in current structure and underlying assumptions about how it's used. Similar studies have found that most city planning is done around an able bodied cishetero men working typical hours and amenities to outsiders of that group tend to be applied patchwork after the fact which leads to a ton of troubles simply trying to get around.

Parents need to get their kids to school and daycare, navigate the environment with strollers and carriers and work around their kids needs. One example was trying to drop off a child at a daycare, a school and then making it to work. A trip that will need many transfers and sometimes doubling back on a route. If you're trudging through 15cm of snow and bus service is dodgy earlier in the day it's going to be a time.

If you want to learn more about this in a broader sense check out "Feminist City" by Leslie Kern, it's on audible if a long drive is part of your commute. It wanders a bit, but does a pretty good job surveying how women, gender diverse, disabled and other bodies navigate and cope with the environment. Check it out!