An Exploratory Study on Factors Influencing Construction Workers’ Modal Shift Intentions : The Mediating Role of Construction Site Characteristics

Q: What does this research mean for the field?

Construction site characteristics indirectly influence workers' intentions to shift from private cars to commuter buses by mediating cognitive and normative factors, while social/personal norms and the commuter bus environment exert the strongest direct effects. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.SUPPORTS_CONSENSUS.

Jaeyoung JUNG; Taekyoung KIM; Youngkyun KANG

doi:10.7470/jkst.2026.44.4.511

August 27, 2026대한교통학회지Open Access

An Exploratory Study on Factors Influencing Construction Workers’ Modal Shift Intentions : The Mediating Role of Construction Site Characteristics

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Key Points

To investigate the factors influencing construction workers' intentions to shift from private automobile commuting to commuter buses, evaluating the mediating role of construction site characteristics.
Administered a questionnaire survey to 123 construction workers in Ulsan, South Korea, yielding 92 valid geocoded samples linked with spatial residential data.
Evaluated missing data mechanisms using Little's MCAR test.
Applied partial least squares structural equation modeling (PLS-SEM) incorporating environmental awareness, car use perceptions, social and personal norms, commuter bus conditions, and built environment attributes.
Construction site physical characteristics and local pedestrian-traffic environments exhibited limited direct effects on behavioral intention but exerted statistically significant indirect effects mediated through cognitive and normative factors.
Social and personal norms alongside commuter bus service environments demonstrated the strongest positive associations with workers' modal shift intentions.
Structural path analysis confirmed a statistically significant sequential decision-making structure moving from behavioral intention to implementation intention and ultimately to behavioral change intention.

Implication

Survey uncovers determinants of commuter bus modal shift in construction workers, highlighting the mediating influence of site environments on mobility management.

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Cite This Study

JUNG et al. (2026) studied this question.

synapsesocial.com/papers/6a9298d38e5d7d1fc0c10ad1 https://doi.org/10.7470/jkst.2026.44.4.511

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An Exploratory Study on Factors Influencing Construction Workers’ Modal Shift Intentions : The Mediating Role of Construction Site Characteristics

Key Points

Implication

Abstract

Discussion

Cite This Study

An Exploratory Study on Factors Influencing Construction Workers’ Modal Shift Intentions : The Mediating Role of Construction Site Characteristics

Key Points

Implication

Abstract

Discussion

Cite This Study

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