Apple Maps users in Honolulu and Kansas City will now be able to get public transit directions as they travel through both cities. While neither city is currently listed on the official iOS 9 Feature Availability site, transit directions are indeed available in the Maps app (via Apple Insider.
Transit directions were first introduced to Apple Maps last fall. Since then, the number of cities covered by the feature has gradually expanded, encompassing a number of cities across North and South America, Europe, Australia and China. With the arrival of transit directions in Kansas City and Honolulu, residents and visitors can now easily plan their travels around each city.