• Title/Summary/Keyword: national road

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Development of Evaluation Indicators on Improvement Level of Rural Village Roads in Korea (농촌마을내부도로의 정비수준 진단지표개발)

  • Cho, Eun-Jung;Choi, Soo-Myung;Kim, Young-Taek;Park, Su-Young
    • Journal of Korean Society of Rural Planning
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    • v.16 no.3
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    • pp.159-171
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    • 2010
  • Since rapid industrialization of Korean society, out-of-village roads have been greatly improved, while almost all of in-village roads have not been fundamentally improved yet. Unless village roads should be improved in relatively comparison with trunk roads, it has been widely recognized that grass rooted achievement of accessibility revolution not be realized. In this regard, this study tried to develop evaluation indicators system for improvement of village roads. The evaluation indicator system on village road conditions was proposed which is sub-categorized as structural improvement of road itself, its communication serviceability and public securing level of property rights of road site. The system has 6 indicators(2 of each subcategory);good pavement ratio and over 3m wide road length ratio, ratio of household fronting under 2m wide road and connectivity of road network, ratio of registered as 'road' in land category and ratio of publicly owned road sites. In the final conclusion, village roads in rural Korea have been generally in worse condition regardless of whether prior improvement works or not, except some of recent plan-based improvement villages.

Research on the Characteristics of the Light Trespass using by RELUX Program According to the Spatial Position of the Road Lightings in Residential Area Near Road (조명시뮬레이션 프로그램(RELUX)을 이용한 도로조명의 공간적 배치에 따른 침입광 영향 특성 연구)

  • Gu, Jinhoi;Jung, Jong-Hwan;Lee, Kyumok
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.26 no.11
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    • pp.1-8
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    • 2012
  • The road lightings have made our living environment safe and active, since it was first installed in 1900 in Korea. As the industry developed, various kind of road lightings have been installed in an outdoor area. But the spilt light from the road lightings have caused health problem like the sleeplessness, the depression, the failure to thrive and the nearsightedness to children. The light trespass caused by road lightings vary with the height of road lightings, the distance from road lightings to the window and the BUG rating of road lightings. In this paper, we analyze the effect on the light trespass by the spatial installation position of road lightings using by RELUX program. And we derive the characteristics of the light trespass according to the spatial installation position of the road lightings in residential area near road.

An Alternative Strategy on Minor Rural Road Improvement Project (농어촌도로 정비사업의 정책적 전개방향)

  • Choi, Soo-Myung;Choi, Dong-Jin
    • Journal of Korean Society of Rural Planning
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    • v.8 no.2 s.16
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    • pp.42-49
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    • 2002
  • Since legislation of Rural Minor Road Improvement Act 1990, a quarter of its total length had been paved now. However, over 80% of arterial road length(national+provincial roads) had been paved, so, road improvement policy should be focussed on the local road(county+rural minor roads) from now. Generally, in the greater part of coastal plain and island areas, arterial road intensity(total road length/total catchment area) is relatively low, but local road intensity is relatively high. So, in terms of balanced development, much more efforts for rural minor road improvement should be concentrated in coastal plain and islands areas. In Chonnam Province, the maximum differentials of minor rural road improvement ratio was over 20%(the lowest; 14.1% in Goheung, the highest; 35.6% in Goksung) in 1999, but the improvement budget have been allocated in proportion to unpaved road length of each county by the provincial government. However, the differentials should not be fairly narrowed in the near future if the present budget allocation policy be maintained. To solve this problem, target differentials of rural minor road improvement between regions should be set up for each planning year and road improvement budget be allocated according to this policy change.

Analysis on the Actual Conditions and Characteristics of Rural Village Roads in Korea (농촌마을 내부도로의 현황 및 특성 분석)

  • Cho, Eun-Jung;Choi, Soo-Myung;Kim, Han-Ul
    • Journal of Korean Society of Rural Planning
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    • v.16 no.1
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    • pp.21-33
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    • 2010
  • Although there have been carrying out various rural development projects related with village road improvement, most of village roads in Korea are under much poor condition. However, until now, their actual conditions have not been surveyed at all. So, this study aimed at analysing the actual conditions and characteristics of rural village roads in the general terms to provide the basic information for the proper improvement policy-making. Case study villages were chosen in flat/mountainous/seashore/suburban areas, which be then classified as improved and not. In terms of road length per household, mountainous villages are highly dispersed and suburban ones moderately dispersed, while flat ones aggregated. Road widths in seashore/suburban/structure improved villages are narrower than flat/mountainous ones. Because about a quarter of road sites are registered as non-road, more positive scheme for transferring non-road sites into road ones.

Macro-level Methodology for Estimating Carbon Emissions, Energy Use, and Cost by Road Type and Road Life Cycle (도로 종류와 도로생애주기별 탄소배출량, 에너지소모량 및 비용에 대한 거시적 분석방법)

  • Hu, Hyejung;Baek, Jongdae
    • International Journal of Highway Engineering
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    • v.17 no.2
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    • pp.143-150
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    • 2015
  • PURPOSES : The authors set out to estimate the related carbon emissions, energy use, and costs of the national freeways and highways in Korea. To achieve this goal, a macro-level methodology for estimating those amounts by road type, road structure type, and road life cycle was developed. METHODS : The carbon emissions, energy use, and costs associated with roads vary according to the road type, road structure type, and road life cycle. Therefore, in this study, the road type, road structure type, and road life cycle were classified into two or three categories based on criteria determined by the authors. The unit amounts of carbon emissions and energy use per unit road length by classification were estimated using data gathered from actual road samples. The unit amounts of cost per unit road length by classification were acquired from the standard cost values provided in the 2013 road business manual. The total carbon emissions, energy use, and cost of the national freeways and highways were calculated by multiplying the road length by the corresponding unit amounts. RESULTS: The total carbon emissions, energy use, and costs associated with the national freeways and highways in Korea were estimated by applying the estimated unit amounts and the developed method. CONCLUSIONS: The developed method can be employed in the road planning and design stage when decision makers need to consider the impact of road construction from an environmental and economic point of view.

Analysis of Nonpoint Sources Runoff Characteristic by Road Types (도로 유형별 비점오염원 유출특성 분석)

  • Yoon, Young-Sam;Kwon, Hun-Gak;Yi, Youn-Jung;Yu, Jay-Jung;Lee, Chun-Sik;Lee, Jae-Kwan
    • Journal of Environmental Science International
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    • v.19 no.11
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    • pp.1375-1384
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    • 2010
  • Growth in population and urbanization has progressively increased the loading of pollutants from nonpoint sources as well as point sources. Especially in case of road regions such as city trunk road, national road and highway are rainfall and pollutants runoff intensive landuses since they are impervious and emit a lot of pollutants from vehicle activity. This research was conducted to investigate the nonpoint sources concentration and quantifying stormwater pollutants which are contained in rainfall runoff water. Three different monitoring sites in Jinju and Changwon city were equipped with an automatic rainfall gauge and flow meter for measuring rainfall and the volume of rainfall runoff. In the case of average EMC value, city trunk road was shown the highest value in target water quality items like as BOD, COD, SS, TN and TP. Or the amount of runoff loads by water quality items showed the highest value in city trunk road. And runoff load in city trunk road was 43.8 times high value compared to highway by value of city trunk road $356.7 mg/m^2$, highway $8.150 mg/m^2$, national road $19.99 mg/m^2$ in the case of BOD.

Characteristics of Road Weather Elements and Surface Information Change under the Influence of Synoptic High-Pressure Patterns in Winter (겨울철 고기압 영향에서 도로 위 기상요소와 노면정보 변화 특성에 관한 연구)

  • Kim, Baek-Jo;Nam, Hyounggu;Kim, Seon-Jeong;Kim, Geon-Tae;Kim, Jiwan;Lee, Yong Hee
    • Journal of Environmental Science International
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    • v.31 no.4
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    • pp.329-339
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    • 2022
  • Better understanding the mechanism of black ice occurrence on the road in winter is necessary to reduce the socio-economic damage it causes. In this study, intensive observations of road weather elements and surface information under the influence of synoptic high-pressure patterns (22nd December, 2020 and 29th January, and 25th February, 2021) were carried out using a mobile observation vehicle. We found that temperature and road surface temperature change is significantly influenced by observation time, altitude and structure of the road, surrounding terrain, and traffic volume, especially in tunnels and bridges. In addition, even if the spatial distribution of temperature and road surface temperature for the entire observation route is similar, there is a difference between air and road surface temperatures due to the influence of current weather conditions. The observed road temperature, air temperature and air pressure in Nongong Bridge were significantly different to other fixed road weather observation points.

Urban Road Extraction from Aerial Photo by Linking Method

  • Yang, Sung-Chul;Han, Dong-Yeo;Kim, Min-Suk;Kim, Yong-Il
    • Korean Journal of Geomatics
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    • v.3 no.1
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    • pp.67-72
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    • 2003
  • We have seen rapid changes in road systems and networks in urban areas due to fast urbanization and increased traffic demands. As a result, many researchers have put greater importance on extraction, correction and updating of information about road systems. Also, by using the various data on road systems and its condition, we can manage our road more efficiently and economically. Furthermore, such information can be used as input for digital map and GIS analysis. In this research, we used a high resolution aerial photo of the roads in Seongnam area. First, we applied the top-hat filter to the area of interest so that the road markings could be extracted in an efficient manner. The lane separation lines were selected, considering the shape similarity between the selected lane separation line and reference data. Next, we extracted the roads in the urban area using the aforementioned road marking. Using this technique, we could easily extract roads in urban area in semi-automatic way.

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Differences in Density and Body Condition of Small Rodent Populations on Different Distance from Road

  • Hur, Wee-Haeng;Lee, Woo-Shin;Choi, Chang-Yong;Park, Young-Su;Lee, Chang-Bae;Rhim, Shin-Jae
    • Journal of Korean Society of Forest Science
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    • v.94 no.2 s.159
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    • pp.108-111
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    • 2005
  • This study was conducted to identify the road effect on small rodent populations within fragmented forest areas around the road from June to September 2002, in 9 study sites of Baekdugdaegan mountains, Korea. Two species of small rodents, Korean field mouse Apodemus peninsulae and striped field mouse Apodemus agrarius, were captured in this study. Korean field mouse preferred forest area, and striped field mouse generally has been found edge area around road. Mean body weight of Korean field mouse was significantly different, but that of striped field mouse was not between both distance from road. Korean field mouse is forest-dwelling species and their distribution is limited in forest area. In contrast, striped field mouse has wide distributional range around road. The effects of road is different in each small rodent species and their habitat preferences.

Research on the Status of Green-Road Management in Rural Village and Improvement Plan (농촌마을 그린로드 관리실태 및 개선 방안)

  • Lim, Chang-Su;Hong, Kwang-Woo;Kim, Eun-Ja;Kim, Hye-Ran;Park, Mee-Jeong
    • Journal of Korean Society of Rural Planning
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    • v.19 no.3
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    • pp.37-50
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    • 2013
  • Since 2010, RDA has discovered 30 Green-Road as the way of developing rural area. However, results from conference with expert and village leaders of Green-Road concluded that there were problems such as little financial benefits due to mismanagement and needs of improving the efficiency of management. In order to respond to these issues, this research has conducted empirical investigation about the status, management of Green-Road and its influences on local area. Main purposes of this investigation was to reveal the various obstacles in road management, and to find better ways of road management. To accomplish the goal of research, this study conducted survey and interviews with leaders in villages. Particularly, the investigation had focused on the specific management issues suggested by village leaders. Based on the results, this research suggested establishing a committee for creating leaders network and developing effective management method in order to improve road management and its consequences.