In the course of Phase 3 - Explore Environments and Select Travel Situations, the team completed a General Environmental Inventory Form listing all the activities Krystal might do at the hospital. They put the activities into either a "routes WITHIN activities" category or a "routes BETWEEN activities" category, and then proceeded on to Phase 4.
In the BETWEEN portion of Phase 4 - Brainstorm All Possible Ways to Move TO, FROM or THROUGH an Activity, the team identified routes Krystal might encounter if she were going TO or FROM particular locations in the hospital.
The team then proceeded on to BETWEEN Phase 5 - Travel Option Comparison and Selection,