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Article
Analysis of injury severity in traffic crashes: A case study of Korean expressways
The objective of this study is to evaluate a set of variables that contribute to the degree of injury severity sustained in traffic crashes of Korean expressways. To this end, we examined three statistical mod...
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Article
Commuter’s behavioral differences in activity generation and scheduling between the activity types
In order to analyze the trip generation behavior of metropolitan commuters, a two-stage structure is proposed in which an activity demand generation model is constructed and the generated activity demand is co...
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Article
Bus signal priority strategies for Multi-directional bus routes
Though the Bus Signal Priority (BSP) system is well known as an effective way to enhance the service quality of bus travel, the effectiveness of the BSP system significantly depends on the traffic and network ...
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Article
Frequency design in urban transit networks with variable demand: Model and algorithm
The goal of this study is to present a methodology for modeling the transit frequency design problem with variable demand. A bilevel optimization model based on a non-cooperative Stackelberg game is used to de...
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Article
Development of potential measures to evaluate the safety of curves in rural highways
This research develops a safety evaluation method based on individual driving behavior on two-lane curved highway sections. A field survey was conducted to collect lateral placement and operating speed data fr...
