Theses and Dissertations (VTTI)
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Attentional demand evaluation for an automobile moving-map navigation system
(Virginia Tech, 1987)A study was undertaken to test and evaluate the human factors design aspects of an automobile moving-map navigation system. The primary objective of the study was to assess the driver attentional demand required by the ... -
Assessment of Vehicle-to-Vehicle Communication based Applications in an Urban Network
(Virginia Tech, 2015-06-23)Connected Vehicle research has emerged as one of the highest priorities in the transportation systems because connected vehicle technology has the potential to improve safety, mobility, and environment for the current ... -
Development of models for detection of automobile driver impairment
(Virginia Tech, 1985-08-05)Two of the leading causes of automobile accidents are driver impairment due to alcohol and drowsiness. Apparently, a relatively large percentage of these accidents occur because drivers are unaware of the degree to which ... -
Effects of In-Vehicle Information Systems (IVIS) Tasks on the Information Processing Demands of a Commercial Vehicle Operations (CVO) Driver
(Virginia Tech, 1999-12-10)This study was performed with two main goals in mind. The first goal was to understand and predict "red-lines" and "yellow-lines" in terms of what the CVO driver can process without hindering the primary task of driving. ... -
Application of Magnetorheological Dampers for Vehicle Seat Suspensions
(Virginia Tech, 1997-12-03)This study evaluates and provides solutions to the problem of poor subjective feel of seat suspensions that employ magnetorheological (MR) dampers and skyhook control. An Isringhausen seat suspension that had been modified ... -
Truck Modeling Along Grade Sections
(Virginia Tech, 2001-05-11)This research effort first characterizes the trucks traveling along US highways by analyzing data from Interstate 81. It is hypothesized that I-81 is typical of US highways and thus can provide some insight into typical ... -
A Comparison of CORSIM and INTEGRATION for the Modeling of Stationary Bottlenecks
(Virginia Tech, 2001-05-09)Though comparisons of simulation models have been conducted, few investigations have examined in detail the logical differences between models. If the output measures of effectiveness are to be interpreted correctly, it ... -
Evaluation of Service Reliability Impacts of Traffic Signal Priority Strategies for Bus Transit
(Virginia Tech, 2002-06-03)Recent progress in technology has facilitated the design, testing, and deployment of traffic signal priority strategies for transit buses. However, a clear consensus has not emerged regarding the evaluation of these ... -
Non-contact Methods for Detecting Hot-mix Asphalt Nonuniformity
(Virginia Tech, 2006-09-21)Segregation, or non-uniformity, in Hot Mix Asphalt (HMA) induces accelerated pavement distress(es) that can reduce a pavement's service life up to 50%. Quality Assurance procedures should detect and quantify the presence ... -
The Impact of Local/Short Haul Operations on Driver Fatigue
(Virginia Tech, 2000-05-23)Massie, Blower, and Campbell (1997) indicate that trucks that operate less than 50 miles from the vehicle's home base comprise 58% of the trucking industry. However, despite being the largest segment, research involving ... -
Deploying an ITS Warning System for No-Passing Zones on Two-Lane Rural Roads
(Virginia Tech, 2001-06-28)A new safety application, as part of ITS Advanced Rural Transportation System (ARTS), has been developed to be deployed on a two-lane rural road (Route 114), in Southwest Virginia. The route segment under study is subject ... -
On-line Traffic Signalization using Robust Feedback Control
(Virginia Tech, 1997-12-18)The traffic signal affects the life of virtually everyone every day. The effectiveness of signal systems can reduce the incidence of delays, stops, fuel consumption, emission of pollutants, and accidents. The problems ...
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