Joint models of attitudes and behavior in evaluation of the San Diego I-15 congestion pricing project

Abstract

Understanding attitudes held by the public about the acceptability, fairness, and effectiveness of congestion pricing systems is crucial to the planning and evaluation of such systems. In this study, joint models of attitude and behavior are developed to explain how both mode choice and attitudes regarding the San Diego I-15 Congestion Pricing Project differ across the population. Results show that some personal and situational explanations of opinions and perceptions are attributable to mode choices, but other explanations are independent of behavior. With respect to linkages between attitudes and behavior, none of the models tested found any significant effects of attitude on choice; all causal links were from behavior to attitudes.

Improving the analysis of road pricing acceptability surveys by using hybrid models

“…This result highlights the fact that the incorporation of psychological factors in a Random Utility Model (RUM) leads to a more behaviorally realistic representation of the choice process. In fact, an hybrid model reveals the weight of the latent psychosocial variables in usersstakeholders decisions and identifies their complementary explanatory power with regard to observable variables like toll level, income level and type of stakeholder (Golob, 2001;Pendleton and Shonkwiler, 2001;Fujii and Garling, 2003;Vredin Johansson et al, 2006). This research shows that pricing policy for European road networks faces considerable problems as to its acceptability by the relevant stakeholder groups.…”

Drivers’ willingness-to-pay to reduce travel time: evidence from the San Diego I-15 congestion pricing project

“…The simplifying assumption of a uniform choice set for all travelers is supported by data collected in the same panel survey about day-to-day variations in mode choice. These weekly mode choice data reveal that travelers who carpool the majority of the time still drive alone one or two days of the week (Golob, 2001). Specifically, of those who carpooled on their last morning, 22.5%…”

“…In addition, many FasTrak users and carpoolers perceive safety advantages in traveling in the Express Lanes (Golob, 2001), and the value of time includes this implicit gain in safety. Finally, avoiding traffic congestion by using FasTrak might be considered by some as a privilege granted by sufficient wealth, so that they are willing to pay to be part of an exclusive club.…”

Shopping online and/or in-store? A structural equation model of the relationships between e-shopping and in-store shopping

“…The relationship between attitudes and behaviour is not straightforward, since attitudes could affect behaviour, but behaviour could also affect attitudes (e.g., Golob, 2001). …”