The article presents a new way to create travel survey data for cities. By combining local information with a national survey, researchers developed a method to make realistic household travel data. They tested this method in a region that had done a recent survey and found it worked well, but some differences remained due to local factors. They then adjusted the method to better match these differences, creating a more accurate travel data set for that region. This approach could help cities save money by making their own travel data and models more easily.