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Pages 255-270

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From page 255...
... F-1 A p p e n d i x f Awareness and Consideration Models Contents F-2 Joint Bivariate Binary Probit Model Formulations F-4 Transit Awareness and Consideration Analysis F-4 Transit Awareness and Consideration Models F-16 Summary of Awareness and Consideration Models Awareness and consideration of different modes of transportation are key determinants of the choice set generation process. In general, it may be assumed that an alternative is included in the feasible mode choice set only if an individual is aware of the travel mode and actually considers it as a possible option for undertaking a trip.
From page 256...
... F-2 Characteristics of premium Transit Services that Affect Choice of Mode Awareness and consideration models rely on variables that are also used in mode choice models, so a joint model of awareness, consideration and mode would be ideal. This would provide an opportunity to test on variables in the models.
From page 257...
... Awareness and Consideration Models F-3 Consideration comes in the second stage of the choice set formation step. Even if a person is aware of a transit alternative, it may or may not be considered an option for a specific trip.
From page 258...
... F-4 Characteristics of premium Transit Services that Affect Choice of Mode Transit Awareness and Consideration Analysis The awareness and consideration analysis conducted in Salt Lake City was designed primarily to support development of awareness and consideration models for Chicago and Charlotte. This provided key information to support the need for these models and the design of surveys to collect awareness and consideration of transit models.
From page 259...
... Awareness and Consideration Models F-5 The survey asked respondents to provide information on awareness and consideration of transit modes for a reference trip. The characteristics of the trip itself may influence how people view alternative transit modes.
From page 260...
... F-6 Characteristics of premium Transit Services that Affect Choice of Mode which future research by explicitly including transit competitiveness measures and service attributes in models of awareness and consideration. In this study, the team has taken a more simplified approach where the awareness and consideration models include the extent to which a person is "informed" about transit as an explanatory variable.
From page 261...
... Awareness and Consideration Models F-7 TABLE F-1. Awareness models.
From page 262...
... F-8 Characteristics of premium Transit Services that Affect Choice of Mode Explanatory Variable Chicago Charloe Bus Rail Bus Rail Low transit comfort level -0.276 (-3.1)
From page 263...
... Awareness and Consideration Models F-9 There are interesting differences in the awareness model estimation results between Chicago and Charlotte. The alternative specific constant for bus mode is statistically insignificant in the awareness model of Chicago, but statistically significant in the corresponding model of Charlotte.
From page 264...
... F-10 Characteristics of premium Transit Services that Affect Choice of Mode observed in Chicago; this is not unexpected given the transit-rich market that is Chicago. In a transit market such as Charlotte, higher income individuals are not likely to use – and therefore familiarize themselves with – bus service (which likely caters to more transit-captive lower income riders)
From page 265...
... Awareness and Consideration Models F-11 the Charlotte sample. It appears that those with this attitude are not necessarily less aware of the transit services in Chicago (transit services in Chicago are quite noticeable and one would have to be aware of them to develop a comfort or discomfort level and make a judgment regarding ease of access)
From page 266...
... F-12 Characteristics of premium Transit Services that Affect Choice of Mode constants show a clear differential between rail and bus; the alternative specific constants (in the consideration utility equations) are higher for rail than for bus.
From page 267...
... Awareness and Consideration Models F-13 TABLE F-2. Consideration models.
From page 268...
... F-14 Characteristics of premium Transit Services that Affect Choice of Mode Explanatory Variable Chicago Charlotte Bus Rail Bus Rail Low transit comfort level -0.316 (-2.8)
From page 269...
... Awareness and Consideration Models F-15 It is found that attitudinal factors play a key role in shaping consideration of transit modes. Those with a pro-transit attitude are more likely to consider transit alternatives and this finding is consistent across both geographical contexts.
From page 270...
... F-16 Characteristics of premium Transit Services that Affect Choice of Mode example of a common unobserved factor may, for example, be fuel price. Spikes in fuel costs may suddenly spur a die-hard single-occupant vehicle mode user to potentially consider transit alternatives.

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