The use of mobile phones in collecting travel behavior data has rapidly increased,
especially after GPS tracking technology became widely available in commercial …

GPS-equipped smartphones provide new methods to collect data about travel behavior,
including travel survey apps that incorporate automated location sensing. Previous …

Background Although people and smartphones have become almost inseparable,
especially during travel, smartphones still represent a small fraction of a complex multi …

Recent advances in communication technologies have enabled researchers to collect travel
data based on ubiquitous and location-aware smartphones. These advances hold out the …

Given the limitations of traditional methods of data collection and the increased use of
smartphones, there is growing attention given to using smartphone apps for activity-travel …

Travel data is vital for understanding individual travel behaviors and estimating travel
demand. Compared with traditional travel surveys in which respondents were asked to recall …

This paper presents a data collection framework and its prototype application for personal
activity–travel surveys through the use of smartphone sensors. The core components of the …

Smartphone travel surveys are able to capture accurate details about individuals' travel
behavior. However, extracting the required information (eg, travel mode and purpose) from …

As mobile phones advance in functionality and capability, they are being used for more than
just communication. Increasingly, these devices are being employed as instruments for …

This three-phase research study focuses on using innovative technology to better
understand and pattern household travel behavior for the purposes of educating, promoting …