This synthesis of transit research describes how web-based surveys are being used by transit agencies and other transit researchers and documents the experiences of web-based survey research as applied to transit. In addition, this study documents not only the current state of the practice, but also provides a resource for successful practices in web-based surveying, discusses the technologies necessary to conduct web-based surveys, and presents some specific case studies of transit agency use of web-based survey techniques. This synthesis describes the survey conducted and the processes used, as it provided a sample of web-based survey research. The results of this synthesis survey are described in detail to understand the state of the practice in current transit research, such as what types of studies are being conducted, how studies are being administered, and whether or not studies are using web-based survey techniques. If researchers are using web-based surveys, the synthesis survey asked why they were doing so and how they were implementing them, and then requested specific comments on what they see as the strengths and limitations of these surveys. If web-based surveys are not being used, the synthesis survey asked why not and probed as to whether web-based methods might be used in the future.