논문 (학술지)
The City-Wide Impacts of the Interactions between Shared Autonomous Vehicle-Based Mobility Services and the Public Transportation System
등록번호 | ARTN 6725 | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
SCI |
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저자명 (주·공동저자) | Tak Sehyun; Woo Soomin; Park Sungjin; Kim Sunghoon | ||
논문구분 | 국외전문학술지 | 학술지명 | SUSTAINABILITY |
ISSN | 2071-1050 | 학술지 출판일자 | 2021-11-25 |
학술지 볼륨번호 | 13(12) | 논문페이지 | - ~ - |
학술지 임팩트팩터 | 3.251 | 기여율 | 100 % |
DOI | 10.3390/su13126725 | ||
초록 |
When attempts are made to incorporate shared autonomous vehicles (SAVs) into urban mobility services, public transportation (PT) systems are affected by the changes in mode share. In light of that, a simulation-based method is presented herein for analyzing the manner in which mode choices of local travelers change between PT and SAVs. The data used in this study were the modal split ratios measured based on trip generation in the major cities of South Korea. Subsequently, using the simulated results, a city-wide impact analysis method is proposed that can reflect the differences between the two mode types with different travel behaviors. As the supply-demand ratio of SAVs increased in type 1 cities, which rely heavily on PT, use of SAVs gradually increased, whereas use of PT and private vehicles decreased. Private vehicle numbers significantly reduced only when SAVs and PT systems were complementary. In type 2 cities, which rely relatively less on PT, use of SAVs gradually increased, and use of private vehicles decreased; however, no significant impact on PT was observed. Private vehicle numbers were observed to reduce when SAVs were operated, and the reduction was a minimum of thrice that in type 1 cities when SAVs and PT systems interacted. Our results can therefore aid in the development of strategies for future SAV-PT operations. |
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