Travel Time Cost Saving Impacts by Installing Bus Bays on Four-Lane Roadway

Hyeokjun Lee; Jonghan Park; Joonho Ko; Dongsung Kim

doi:10.7470/jkst.2023.41.5.577

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2023 Vol.41, Issue 5 Preview Page Next Page

Article

Travel Time Cost Saving Impacts by Installing Bus Bays on Four-Lane Roadway 버스베이 설치에 따른 통행시간비용 절감효과 분석 : 왕복 4차로 도로를 중심으로

31 October 2023. pp. 577-592

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Abstract

Recently, as the problem of subway congestion has intensified due to COVID-19, the need to ease the concentration of public transit share of subway through bus improvement has increased. Bus bay is a facility that is encouraged to be installed as part of transportation policy for public transportation, but in Korea, bus bay has several problems and is recognized as an example of transportation policy that prioritizes vehicle traffic, so it is time to discuss its necessity. Therefore, this study derived the quantitative effects of bus bay installation according to stop time and congestion, such as traffic change and travel time reduction benefits, and investigated conditions requiring bus bays through micro-simulations on two-way 4-lane road. As a result of the analysis, the traffic efficiency of general vehicles improved when the bus bay was installed, while the traffic efficiency of buses decreased, and this effect was greater when the congestion is high. The installation of the bus bay caused the benefit of travel time savings when the bus stop time was long due to crowded traffic conditions, but in most other cases, the negative benefit of travel time savings was caused. Considering that bus bays hinder the traffic flow of buses and cause negative benefit of travel time savings, it seems that bus bays should be avoided except for special conditions when installing bus stops.

Keywords

benefit of travel time savings

bus bay

bus

micro simulation

public transit

SUMO

최근 코로나로 인해 지하철 혼잡도 문제가 심화됨에 따라 버스서비스의 개선을 통한 지하철 수단분담률 집중 완화의 필요성이 증가하였다. 버스베이는 대중교통에 대한 교통대책의 일환으로 설치가 장려되고 있는 시설이나 국내 연구사례에서 버스베이의 장단점을 심층적으로 연 구한 사례는 드물다. 또한, 차량 통행을 우선시하는 교통정책의 실현 수단으로 설치되고 있어 그 필요성에 대한 논의가 요구되고 있기도 하다. 이에 본 연구는 왕복 4차로 도로를 대상으로 미시 시뮬레이션을 통해 교통류 변화, 통행시간 절감편익 등 정차시간 및 혼잡도에 따른 버스베이 설치의 정량적인 효과를 도출하고 버스베이가 필요한 여건에 대해 알아보았다. 분석결과 버스베이 설치시 일반차량의 교통 효율은 향상되는 반면 버스의 교통 효율은 떨어지며 이 효과는 혼잡도가 높을 때 더 크게 나타났다. 버스베이 설치는 혼잡한 교통 상황에 버스 정차시간이 긴 경우 통행시간 절감편익을 발생시키나 그 외 대부분의 경우 통행시간 절감불편익을 발생시켰다. 버스베이가 버스의 교통흐름을 저해하는 점과 통행시간 절감불편익을 발생시키는 점을 고려하였을 때 왕복 4차로 도로에서 버스정류장 설치 시 특정한 상황을 제외하면 버스베이 설치가 반드시 편익을 가져오는 것은 아닌 것으로 보인다.

키워드

통행시간비용 절감효과

버스베이

버스

미시 시뮬레이션

대중교통

SUMO

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Information

Publisher :Korean Society of Transportation
Publisher(Ko) :대한교통학회
Journal Title :Journal of Korean Society of Transportation
Journal Title(Ko) :대한교통학회지
Volume : 41
No :5
Pages :577-592
Received Date : 2022-07-21
Revised Date : 2022-08-29
Accepted Date : 2023-09-07
DOI :https://doi.org/10.7470/jkst.2023.41.5.577

Journal of Korean Society of Transportation ISSN:1229-1366(Print) 2234-4217(Online) 대한교통학회지

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