고속·시외버스 터미널 및 고속도로 휴게소의 통폐합 운영에 따른 편익가치 산정에 대한 연구

장재민,한정헌,Jang, Jae min,Han, Jung hun 한국도로학회 2017 한국도로학회논문집 Vol.19 No.2

PURPOSES : This study intends to estimate the tangible benefits derived from the integration of operations of an Express Intercity Bus Terminal and a Highway Service Area. METHODS: For the study, a highway service area was chosen to function as a bus terminal, integrating its services with that of a nearby bus terminal plagued by operating losses. The exercise also helped improve mobility owing to the introduction of local buses between the terminals and utilization of the existing infrastructure such as rest areas. Thus, a terminal that was not being utilized for its intended functionality was integrated with an existing facility to improve the utilization of both and subsequently aid local development. The impact of the exercise was then measured by evaluating the variation in utilization efficiency, operating costs, travel time between two regions (Seoul-Jeomchon and Seoul-Geumsan), and the social costs before and after the integration of the two facilities. RESULTS :The impact of the integration was an increase in utilization efficiency, a decrease in operating cost, a decrease in travel time, and a decrease in social cost in both the regions. The benefits of improved utilization and cost saving can be passed on to the citizens in the form of discounts. A local power generation facility will eventually replace the bus terminal, which can revitalize the local economy. CONCLUSIONS :The integration of the highway service area with the bus terminal is expected to have a win-win effect on the passengers as well as the operators. The study also proposes a sustainable strategic plan for existing terminals and rest areas to implement a method to compete with KTX transportation.

자율주행시대에 통근시간 만족도에 영향을 미치는 요인분석

장재민,천승훈,이숭봉,Jang, Jae-min,Cheon, Seung-hoon,Lee, Soong-bong 한국ITS학회 2021 한국ITS학회논문지 Vol.20 No.5

자율주행시대가 우리 삶에 다가오면서 삶의 변화에 많은 영향을 미칠 것으로 예상된다. 자율주행자동차가 등장하면 운전자의 부담을 줄임으로 차내에서 생산적 가치가 확장되는 만큼 이를 평가할 수 있는 지표개발이 필요하다. 이번 연구는 경기도 직장인 중 승용차를 이용하는 통근자를 대상으로 자율주행 자동차가 통근시간 및 통근시간 만족도에 어떠한 영향을 미치는지 분석하였다. 통근시간 및 통근시간 만족도는 비선형 관계(V)가 도출되었다. 여기서, 자율주행시대에 영향받을 가능성이 높은 비선형 구간인 통근시간 70분 이상영역을 중심으로 이항로지스틱 모형을 통해 분석하였다. 분석결과 자율주행시대의 영향변수로는 건강도, 수면시간, 근무시간, 여가시간 등이 도출되었다. 자율주행자동차의 등장은 이러한 변수를 개선시킬 가능성이 높으므로 장거리 통근자의 통근시간 만족도는 개선될 가능성이 높다. As the era of autonomous driving approaches, it is expected to have a significant impact on our lives. When autonomous driving cars emerge, it is necessary to develop an index that can evaluate autonomous driving cars as it enhance the productive value of the car by reducing the burden on the driver. This study analyzed how the autonomous driving era affects commuting time and commuting time satisfaction among office goers using a car in Gyeonggi-do. First, a nonlinear relationship (V) was derived for the commuting time and commuting time satisfaction. Here, the factors affecting commuting time satisfaction were analyzed through a binomial logistic model, centered on the sample belonging to the nonlinear section (70 minutes or more for commuting time), which is likely to be affected by the autonomous driving era. The analysis results show that the variables affected by the autonomous driving era were health, sleeping hours, working hours, and leisure time. Since the emergence of autonomous driving cars is highly likely to improve the influencing variables, long-distance commuters are likely to feel higher commuting time satisfaction.

보행자 우선도로 개선 사업으로 인한 교통사고 변화에 대한 연구

장재민,이영인,김숙희,최회균,JANG, Jae-Min,LEE, Young-Ihn,KIM, Sukhee,CHOI, Hoi-Kyun 대한교통학회 2018 대한교통학회지 Vol.36 No.2

We are implementing pedestrian priority zone policy to certain districts to reduce greenhouse gas and to develop eco-friendly city which has more focus on pedestrians' walking environment. This policy has contributed to citizens' satisfaction level with improved public transportation service as well as more spacious streets for walk. Despite highly positive influence of pedestrian priority zone policy to the walking environment, we need to anticipate the impact of this to traffic environment as it may have bad effect to the overall traffic flow around the zone where the policy is implemented. This research has analyzed the change of characteristics of traffic accidents around the eco-traffic area of Hang-Gung dong, Suwon city, to understand impact of the pedestrian priority zone policy to the traffic surroundings, with pre-post analysis methodology. As a result, number of accidents related to pedestrians showed decrease as pedestrian priority zone is designed operated with focus to pedestrians. But accidents related illegal U-turn and violation of the traffic signal showed (significant) increase as there was a restriction of turns and decrease of overall traffic speed. To prevent the accidents above, we need to notice drivers to pay special attention before the pedestrian priority zone event, and information from this research should be given to the drivers through safety signs and mobile application at the place near to the event. 국내는 온실가스를 줄이고 보행자 중심의 친환경 도시를 지향하고자 일부지역에 보행자 우선지역을 시행하고 있다. 이는 대중교통 중심의 서비스 개선 및 여유로운 보행공간의 확보 측면에서 시민의 만족도가 높았으며, 친환경 교통수단의 도입으로 온실가스의 감축효과에 기여했다. 그러나 보행자 우선지역은 보행환경 개선 측면에는 영향력이 높지만 주변 교통흐름에는 악영향을 주는 만큼 시행에 따른 교통 환경 변화를 예측할 필요가 있다. 본 연구는 수원시 행궁동 생태교통 지역을 중심으로 보행자 우선도로 시행에 따라 행사주변의 효과를 도출하기 위해 사전사후 평가를 활용한 교통사고 특성변화를 분석하였다. 분석결과 보행자 우선도로는 보행자 중심으로 설계되어 운영되는 만큼 보행자 관련 사고는 줄었으나, 차량의 회전교통 제한에 따른 불법유턴 사고 및 속도 저하에 따른 신호위반 사고가 증가한 것으로 나타났다. 각 지역에는 행사를 시행하기 전 운전자에게 각별한 주의가 요구되며, 행사구역 인근에 본 연구 특성이 반영된 안전표지판 및 어플 정보를 제공하여 교통사고에 유념할 필요가 있겠다.

버스 정류장 정차시간 및 정시성에 영향을 미치는 요인에 관한 연구: 가로변 버스전용차로의 정류장을 중심으로

장재민,이영인,이근,JANG, Jae-Min,LEE, Young-Inn,LEE, Keun 대한교통학회 2017 대한교통학회지 Vol.35 No.3

서울시 버스는 통행속도 및 정시성을 높이기 위해 BIS정보제공, 중앙버스전용차로, 간선급행버스, 버스 우선 신호 등을 선보이며 서비스 개선에 큰 역할을 하였다. 하지만 버스의 통행속도 및 정시성을 높이기 위해서는 버스 정류장 정차시간에 영향을 미치는 정류장 인근 시설물의 개선이 필요하다. 본 연구는 버스정류장 정차시간 개선을 위해 정류장 인근 교통시설물 및 도로환경을 중심으로 영향변수를 도출하고자 한다. 종속변수는 버스정류장의 진 출입시간 및 진 출입시간의 표준편차를 선정하였고, 독립변수는 버스종류별 노선수, 버스종류별 통행량, 버스베이 개수, 횡단보도 및 교차로까지 거리, 앞지르기 가능 유무, 이면도로 존재 유무, 승차 및 하차인원, 해당링크구간 속도를 선정하였다. 분석결과 해당 링크의 속도, 버스베이개수, 횡단보도까지 거리, 이면도로 유무, 앞지르기 가능 여부가 영향변수로 도출되었고, 진 출입시간의 표준편차는 교차로까지 거리, 횡단보도까지 거리, 이면도로 존재 여부가 선정되었다. 이처럼 버스 정류장 정차시간 및 정시성의 영향을 주는 변수는 다양한 요소가 도출되는 만큼 본 연구 결과를 통해 버스 정류장의 정차시간 및 정시성을 개선시킬 필요가 있다. The Seoul metropolitan government introduced the bus information systems, bus rapid transit to increase travel speed and punctuality but still suffer from insufficiency. This paper delivers a study verifying the external factors at near the bus stops. The dependent variable was set to the standard deviation of (1) travel time and (2) travel time to and from the bus stop in this study. The independent variables were set to (1) the number of routes, (2) traffic volume by bus type, (3) the number of bus bays, (4) the possibility of passing, (5) the distance to crosswalks and intersections, and (5) the presence of residential road. The results showed that the most significant factors included the link section speed, number of bus bay, distance to crosswalk, and the possibility of passing.

보행자 우선도로 개선 사업으로 인한 교통사고 변화에 대한 연구

장재민(JANG, Jae-Min),이영인(LEE, Young-Ihn),김숙희(KIM, Sukhee),최회균(CHOI, Hoi-Kyun) 대한교통학회 2018 대한교통학회지 Vol.- No.-

국내는 온실가스를 줄이고 보행자 중심의 친환경 도시를 지향하고자 일부지역에 보행자 우선지역을 시행하고 있다. 이는 대중교통 중심의 서비스 개선 및 여유로운 보행공간의 확보 측면에서 시민의 만족도가 높았으며, 친환경 교통수단의 도입으로 온실가스의 감축효과에 기여했다. 그러나 보행자 우선지역은 보행환경 개선 측면에는 영향력이 높지만 주변 교통흐름에는 악영향을 주는 만큼 시행에 따른 교통 환경 변화를 예측할 필요가 있다. 본 연구는 수원시 행궁동 생태교통 지역을 중심으로 보행자 우선도로 시행에 따라 행사주변의 효과를 도출하기 위해 사전사후 평가를 활용한 교통사고 특성변화를 분석하였다. 분석결과 보행자 우선도로는 보행자 중심으로 설계되어 운영되는 만큼 보행자 관련 사고는 줄었으나, 차량의 회전교통 제한에 따른 불법유턴 사고 및 속도 저하에 따른 신호위반 사고가 증가한 것으로 나타났다. 각 지역에는 행사를 시행하기 전 운전자에게 각별한 주의가 요구되며, 행사구역 인근에 본 연구 특성이 반영된 안전표지판 및 어플 정보를 제공하여 교통사고에 유념할 필요가 있겠다. We are implementing pedestrian priority zone policy to certain districts to reduce greenhouse gas and to develop eco-friendly city which has more focus on pedestrians’ walking environment. This policy has contributed to citizens’ satisfaction level with improved public transportation service as well as more spacious streets for walk. Despite highly positive influence of pedestrian priority zone policy to the walking environment, we need to anticipate the impact of this to traffic environment as it may have bad effect to the overall traffic flow around the zone where the policy is implemented. This research has analyzed the change of characteristics of traffic accidents around the eco-traffic area of Hang-Gung dong, Suwon city, to understand impact of the pedestrian priority zone policy to the traffic surroundings, with pre-post analysis methodology. As a result, number of accidents related to pedestrians showed decrease as pedestrian priority zone is designed operated with focus to pedestrians. But accidents related illegal U-turn and violation of the traffic signal showed (significant) increase as there was a restriction of turns and decrease of overall traffic speed. To prevent the accidents above, we need to notice drivers to pay special attention before the pedestrian priority zone event, and information from this research should be given to the drivers through safety signs and mobile application at the place near to the event.

아파트 구매의도와 관련된 사회경제적 요인과 태도적 요인의 상대적 영향력 분석

장재민(Jang, Jae-Min),김태형(Gim, Tae-Hyoung Tommy) SH도시연구원 2016 주택도시연구 Vol.6 No.2

Apartment purchase behavior continues to change and in line with such a change, the central government of Korea has introduced a series of apartment types including Bogeumjari Housing, Happy Housing, and Business-Type Rental Housing, but nevertheless, their profitability is generally low. The profitability depends on the number and price of sales and thus, to increase them, those apartments that apartment buyers want should be built. Accordingly, this paper, using a case of apartment sales in the Hanam–Misa District, describes the characteristics of the buyers and analyzes the determinants of the purchase behavior. A regression model based on stepwise selection finds that among environmental variables, the overall suitability of the housing location, superiority of the school district, distribution of neighboring apartment complexes (rental versus buying) and convenience of public transit are significant in the order of their relative influences. Also, a structural equation model based on maximum likelihood estimation shows that in descending order of their influences, attitudes toward the district environment, those toward the environment of the neighboring areas, and buyers’ socioeconomics are direct or indirect factors on the purchase intention. These findings imply that relative to the socioeconomics, the characteristics of the inner and outer environments of the apartment district considerably affect the intention of the apartment purchase. Grounded upon these empirical findings, the paper reaches a conclusion that by locating apartment complexes suited to buyers’ needs, apartment developers and governments can expect higher profitability and contribute to public welfare.

폐 태양광 모듈 재활용 단위비용 추정 연구

장재민(Jang Jae-Min),김보람(Kim Bo-Ram),홍종호(Hong Jong-Ho) 한국태양에너지학회 2019 한국태양에너지학회 학술대회논문집 Vol.2019 No.4

관광통행수단으로 철도 선택에 영향을 미치는 요인 연구

장재민(Jang, Jaemin),손웅비(Son, Woongbee) 경기연구원 2018 GRI 연구논총 Vol.20 No.1

GCF 국제공인시험인증 적합성 시험 동향

장재민(Jang Jae Min),고재일(Ko Jerry),유지원(Yu Ji Won),성경모(Sung Kyung Mo) 한국통신학회 2023 한국통신학회 학술대회논문집 Vol.2023 No.11

수도권 내 공공주택 도입을 위한 거주지별 입지환경 및 주거시설 특성 분석

장재민(Jang, Jae Min),김태형(Gim, Tae-Hyoung Tommy) SH도시연구원 2016 주택도시연구 Vol.6 No.1

The domestic housing supply rate is about to reach 100%, but owning a house is still difficult, particularly in the Capital Region. Accordingly, the government continues to supply houses, but the supply is not at a satisfactory level and it suffers more from limitations on the developable land and budget. The incumbent administration consider Public Housing developments in railway areas and retarding basins, but difficulties in determining the profitability of the developments and their effects on property values prevents the location decision of the developments. At this juncture, with a case of Seoul and the southeastern section of Gyeonggi, this study aims to provide indicators for the location decision of Public Housing developments in railway areas by analyzing sociodemographics of the local residents. Statistical results show that Seoul people are often in dual-income households, which makes them interested in educational conditions and female-only service spaces while Gyeonggi people are relatively more interested in public transit accessibility and family-shared spaces. These findings can be used as a reference in evaluating the location decision and profitability of a newly proposed housing project.