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- Ju-Yeon Lee, Jin-Hyuk Chung, Bongsoo Son
- Accident; analysis and prevention
- 2008

Accident size can be expressed as the number of involved vehicles, the number of damaged vehicles, the number of deaths and/or the number of injured. Accident size is the one of the important indices to measure the level of safety of transportation facilities. Factors such as road geometric condition, driver characteristic and vehicle type may be related to… (More)

- Hong Sok Kim, Hyung Jin Kim, Bongsoo Son
- Accident; analysis and prevention
- 2006

This paper develops an econometric model for vehicles' inherent mortality rate and estimates the probability of accidents and survival in the United States. Logistic regression model is used to estimate probability of survival, and censored regression model is used to estimate probability of accidents. The estimation results indicated that the probability… (More)

- Taehyung Kim, Hyoungsoo Kim, Cheol Oh, Bongsoo Son
- MUE
- 2007

- Bongsoo Son, Hyung Jin Kim, Chi-Hyun Shin, Sang-Keon Lee
- KES
- 2004

- Sangsoo Lee, Sei-Chang Oh, Bongsoo Son
- ICCSA
- 2005

- Bongsoo Son, Taewan Kim, Hyung Jin Kim, Soobeom Lee
- KES
- 2004

- Hyunsoo Kim, Seong W. Kim, Soobeom Lee, Bongsoo Son
- KES
- 2005

A sensor network system consisting of a large number of small sensors with low-power can be an effective tool for collection and integration of data by each sensor in a variety of environments. The collected data by each sensor node is communicated through the network to a single base station that uses all collected data to determine properties of the data.… (More)

- Hyung Jin Kim, Bongsoo Son, Soobeom Lee
- NPC
- 2004

The primary purpose of this study is to examine the models’ performance for estimating average delay experienced by the passing vehicles at signalized intersection network, and to improve the models’ performance for Intelligent Transportation Systems (ITS) application in terms of actuated signal operation. Two major problems affected the models’ performance… (More)

- Hyung Jin Kim, Bongsoo Son, Soobeom Lee, Sei-Chang Oh
- KES
- 2005

- Bongsoo Son, Taehyung Kim, YongEun Shin
- EUC Workshops
- 2006

At the transition from a tangent section to a curved section, it is possible for a following vehicle with adaptive cruise control in car-following mode to lose track of the lead vehicle. This occurs because the lead vehicle enters the curve and its path diverges from the axis of the following vehicle, yet the following vehicle does not yet have lateral… (More)