Browsing by Subject "IVHS"
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Item Institutional Barriers to the Adoption of Electronic Data Collection and Interchange as It Relates to Commercial Vehicles(1993-12) Beier, Frederick J.This study examines the interface between state and regulatory agencies and commercial vehicle operators regarding the application of electronic technology. The various processes followed by the state agencies are documented. In addition, a survey of both freight and passenger commercial vehicle operators (CVO) is analyzed. Significant findings are that CVOs are capable of exchanging information with the state electronically although formal EDI methods appear somewhat distant. A significant portion of CVOs are also prepared to adopt basic IVHS technology which would allow trucks to bypass weigh stations. A summary of barriers to the widespread adoption of these technologies is also included as is a literature review.Item Trace Driven Driving Simulation: Towards Integration of External Lab with Simulator and the Integrated Study of Microscopic and Macroscopic Problems in IVHS: Emulation of the I-394 External Laboratory in a Driving Environment(1994-06) Shekhar, Shashi; Hancock, Peter A.The research in traffic flow and safety has proceeded on two different tracks. The traffic flow research has focused on macroscopic aspects and aggregate behavior, while safety research has focused on the traveller's microscopic view of the transportation system. This dichotomy of research methodology has made it difficult to study many issues in intelligent vehicle highway systems in an integrated manner. In this project, we explore ways of facilitating research on problems which require integration of the two views of the transportation systems. In particular, we explore headup displays for conveying aggregate traffic information and exceptions to the drivers. We evaluate text based and graphic map based displays with fixed orientation as well as egocentric orientation. Our studies indicate that graphic displays are more effective than text based displays for the assimilation of information by drivers. Furthermore, our studies suggest that an egocentric map display allows drivers to assimilate and process information faster than a fixed orientation display.