Table 2.

Identified challenges.

Challenge	Description
Facilitator	Having a sub-optimal TSW facilitator
Language	In case attendees do not speak English or French, language is an issue
Methodology	Whether the attendees should/are considering the best/worst/medium case travel scenario
Not up-to-date	The used data/maps/material were not up-to-date
Output control	Not being able to see the effects of the developed travel scenario during the TSW
Participants	The variety and/or number of participants was unsuitable regarding the purpose and/or activities of the TSW
Power	Power, social and/or hierarchical imbalances affecting the TSW activities
Purpose	Difficult to (quickly) understand the purpose and/or utility of the TSW
Reading maps	Participants' inexperience and/or difficulty with reading maps
Remote	Suboptimal TSW activities/outputs because the UNIGE facilitator was only present remotely (due to COVID-19)
Technical	Technical incapability of local computers/devices/connections
Time	Not enough time during the TSW to develop and validate realistic travel scenario's
Travel mode	Difficult to define/agree on the applicable modes of travel
Travel speed	Difficult to imagine/define/agree on travel speeds (km/h) in relation to different modes of transport