Lin’s concordance coefficient of 0.84 indicates poor agreement between modelled and actual route length overall, but disaggregating the analysis by mode shows substantial agreement for journeys made on foot (0.98) and moderate agreement for journeys made by bicycle (0.93). The lowest level of agreement was for trips made by car or motorcycle only (0.44). Unsurprisingly, route distance was generally longer for participants who travelled via another destination on their way to or from work (Fig. 2).