Analyzing travel captivity by measuring the gap in travel satisfaction between chosen and alternative commute modes

In this study, we investigated travel captivity from the perspective of satisfaction. Using survey data 565 commuters in Portland, Oregon, compared satisfaction with most recent commute trip (using chosen mode) and hypothetical if using an alternative mode. The difference between mode – referred to as gap was used a fine-grained proxy measure captivity. Results indicate that active (walk/bicycle) users would be less satisfied when modes were auto or transit, while transit slightly more they commuted by walking bicycling. These outcomes suggest are captive, travelers mostly choice users. also show respondents it enable talking other passengers.