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논문 기본 정보

자료유형
학술저널
저자정보
Yang, Jaeho (Incheon National University) Kim, Eungcheol (Incheon National University) Na, Young-Woo (Incheon National University) Choi, Byoung-Gil (Incheon National University)
저널정보
한국측량학회 한국측량학회지 한국측량학회지 제36권 제3호
발행연도
2018.6
수록면
153 - 163 (11page)

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초록· 키워드

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Calculating the relevant length of left turn storages in urban intersections is very crucial in road designs. A left turn lane consists of deceleration lanes and left turn storages. In this study, we developed methods for calculating relevant lengths of left turn storages that vary at each intersection using UAV (Unmanned Aerial Vehicle) spatial images. Problems of conventional design techniques are applying the same number of left turn vehicles (N) using Poisson distribution without considering land use types, using a vehicle length that may not be measurable when applying the length of waiting vehicles (S), and using same storage length coefficient (α), 1.5, for every intersections. In order to solve these problems, we estimated the number of left turn vehicles (N) using an empirical distribution, suggested to use headways of vehicles for (S) to calculate the length of waiting vehicles (S) with a help of using UAV spatial images, and defined ranges of storage length coefficient (α) from 1.0 to 1.5 for flexible design. For more convenient design, it is suitable to classify two cases when possible to know and impossible to know about ratio of large trucks among vehicles when planning an intersection. We developed formula for each case to calculate left turn storage lengths of a minimum and a maximum. By applying developed methods and values, more efficient signalized intersection operation can be accomplished.

목차

Abstract
1. Introduction
2. Literature Review
3. Problem Identification and Finding Improved Methodology
4. Application of Developed Methodology
5. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2018-533-003119352