A5076585411- Traffic and Road Safety
- Traffic Prediction and Management Techniques
- Traffic control and management
- Vehicular Ad Hoc Networks (VANETs)
- Urban Transport and Accessibility
- Noise Effects and Management
- Sentiment Analysis and Opinion Mining
- Transportation Planning and Optimization
- Safety Warnings and Signage
- Elevator Systems and Control
- Advanced Text Analysis Techniques
- Topic Modeling
- IoT and GPS-based Vehicle Safety Systems
Iowa State University
2022-2024
This study makes a methodological contribution by exploring the relationship between motor vehicle traffic crashes at intersections and built environment. The focuses on specific neighborhoods within city of Des Moines, Iowa, with contrasting socio-economic characteristics to examine variation neighborhoods. Exploratory spatial data analysis was used locate crash clusters using seven-year (2013–2019) obtained from Iowa Department Transportation. Google Street View survey environment...
Dynamic Message Signs (DMS) are used to convey information on various traffic conditions such as lane closure, incident, travel times, etc. Some agencies use a variety of "default" messages in lieu any message, which sometimes the number road fatalities within jurisdiction, is thought encourage safer driving. To investigate whether influence driver speeds proximity DMS, comparison was undertaken using connected vehicle data. The study conducted across 26 DMS locations Iowa where were...
This study investigates relationships between congestion and travel time performance metrics crashes on road segments. The focuses work zone routes in Iowa, utilizing 2021 commercially-available probe vehicle data crash data. Travel were derived from the data, counts obtained Additional variables included characteristics (traffic volume, type, segment length) a categorical variable for presence of zone. A mixed effect linear regression model was employed to identify selected metrics....