https://www.theverge.com/2018/9/17/17870166/ios-12-siri-shortcuts-update

Apple officially released iOS 12 today and with it came the release of its Shortcuts app. These shortcuts let users perform certain tasks with their apps through Siri voice commands. The idea behind shortcuts is to automate multi-step tasks. While Apple offers a variety of premade shortcuts, third-party app makers are also offering their own. More are sure to come soon since iOS 12 only just came out today, but for now, I’ve rounded up some of the best examples at launch.

This shortcut is slightly confusing, as you have to set it up through CityMapper’s app, not Shortcuts. Once in the updated app, tap the Siri icon to record your commands, like “Siri, check my commute,” or “Hey Siri, get me home.” You’ll have to set your home and work locations for these to work.