Transportation and infrastructure are the most crucial components which affect the development and renewal of cities and regions. The results of infrastructure and transportation planning not only take effect on the accessibility of an urban area, but also, it determines the livability of the whole city (Krizek & Levinson, 2005). Recently, new technologies, concepts and practical means have largely emerged in infrastructure and transportation planning, such as: “Big Data,” “Large scale model” and “old-community planning (Cunliang Guihua in Chinese)”. These concepts and tools almost reversed the traditional knowledge system and operating mode of urban planning, which has prompted us to carry out the necessary research and work to adapt to these changes (Vlahogianni, Park, & van Lint, 2015). On the other hand, we should still attach importance to the traditional knowledge and practical means by applying them to the new problems arising in the urban planning process today. Consequently, in this special issue, we study new concepts such as the “Big data” in the life-circle community determination, policy instruments on the new energy vehicle industry, and others. Moreover, we also pay attention to the change of urban planning law and survey technology on urban transportation hubs.
Due to the trend of global aging, issues of the elderly should be paid attention to. In January 2014, the elderly accounted for 11.57% of the population in Taiwan. By around 2017 Taiwan will become an Aged society. In order to provide seniors with a healthy and better life, the living environment and space arrangements will be important factors in the urban city. This study statistically assesses the walking space and the living path of elders by out-door activity type, walking range time and walking environment to understand the activity conditions and types of elders in Xin-Yu district, referencing the World Health Organisation’s recommendations on “Global Age-friendly Cities: Outdoor Spaces and Buildings”. This study investigates 22 seniors in the Xin-Yi district using the Global Positioning System, observations and deep interviews to explore the influencing factors, such as activity type, activity item, space equipment and walking environment of elders, to propose the requirements of walking spaces and suggestions for improvement in Xin-Yi district. The result found that the condition of elders’ activity and societal support demanded the utilisation of activity environments and walking spaces for social-type elders, including public social spaces, safe road crossings, bus stops and bus information support; for selection-type elders, demand was identified for communication chairs at shopping arcades and diverse sports facilities; and for essential-type elders, demands were on participatory open space and cooperative group facilities. Through the setting and improving of the urban resources above, social support for elders can be improved through the provision of friendly and healthy urban city activity spaces.
Commonly, it is very hard to examine underlying urban dynamics due to rapid spatial expansion and land use variations. In this paper, the origin-destination (OD) data extracted from taxi trip data collected in Xiamen, China, covering 30 days was utilized to detect the underlying dynamics of Xiamen City. Specifically, we discretized the study area into 400m*400m grids so that the number of originating points and destination points of the taxi trips could be counted separately within each single grid. Then, heat maps of the taxi mobility were made to achieve a general understanding of urban dynamics. Secondly, we took advantage of the concept of complex networks to analyze the daily taxi trip data. Using a method of community detection, we divided the study area into six main sub-regions called functional self-sufficient zones (FSZs) in which spatial associations are tight and dense. The features of these FSZs helped us to gain a deeper understanding of urban dynamics. Finally, based on this understanding, we further evaluated and optimized the urban spatial planning of Xiamen. Balancing land use allocation was suggested to enhance the multicentric structure and reduce congestion. This study provides a relevant contribution by exploring the potential of applying taxi trip data to identify urban dynamics revelations and urban planning optimization solutions.
Internal guidance signs are critical for the normal operation of a comprehensive passenger transportation hub. In the present paper, the procedures, methods and restrictions on the development of guidance sign locations are summarized in terms of the planning and design method of guidance signs and an evaluation of guidance sign service manuals after a sorting and analysis of relevant literature. The results show that the existing location model fails to quantitatively describe the behavior characteristics of massive passenger flows and results in the spatial planning and design of guidance signage being inaccessible for many in mass passenger transit and spatial topological networks resulting from 3D hub architecture make the constraint conditions of location models more complex. Sophisticated guidance signs and location models responding to behavioral characteristics and spatial topological networks will be a trend of interest in the optimal layout of future comprehensive passenger transportation hubs.
Regional traffic efficiency plays a key role in the development of a regional economy and its social development. How to accurately explain inherent associations and mechanisms is very significant for regional transport development and investment benefits. This paper analyses the road transport and economic development data for Beijing-Tianjin and Hebei, the Yangtze River Delta and Pearl River Delta city populations, identifies an investment and yield indicator system to effectively reflect road transport efficiency and economic development, and establishes a hybrid data envelopment analysis model based on investment indicator preferences. This model is used to compare and analyze the highway transportation efficiency of the whole Beijing-TianjinHebei region and all cities in this region. The conclusion is that the highway transportation efficiency of the Beijing-Tianjin-Hebei region is less than it is in the Yangtze River Delta and Pearl River Delta urban agglomeration, and the highway transportation efficiency of cities in the Beijing-Tianjin-Hebei region are also very different, so different investment strategies should be made for the highway transportation efficiency of different cities. The research results also indicate that improvement of the regional transportation service capability not only depends on expansion of the regional transportation scale, but also depends on improvement of the regional transportation operation efficiency, and maintains support for intensified and sustainable development routes.
New energy vehicles (NEVs) have important implications for traffic pollution management and energy consumption. A series of industrial incentive policies have been introduced to promote the development of the NEV industry. However, the actual effects of the policies do not come up to expectations. Aiming to analyze the relationship between the policy instruments and the market acceptance of NEVs, a consistent fuzzy preference relations model is proposed to evaluate the efficiency of policies on the NEV industry. The model introduces an assessment criteria system with three criterions (industry development, technology research and development (R&D), and NEV popularization). The quantitative weights of evaluation criteria are calculated by the fuzzy preference relation. The weights indicate the significance of the factors in the development of NEVs, especially when NEVs have not been widely accepted. With the proposed model, a case study in China shows that the policy of technology R&D is the most crucial for the NEV industry in China. The policy of NEV industry development, on the other hand, is equally important. The results are hoped to give a better understanding of the relationship between government policy instruments and NEV development, the measures for enhancing the policy efficiency of NEV development.
In Taiwan, government staff, judicial officers and private institution owners should avoid erroneously misapplying the Government Procurement Act (GPA) and the Act for Promotion of Private Participation in Infrastructure Projects (PPP). This study examined the literature and conducted a comparative analysis of the legislation processes related to the Act for Promotion of Private Participation in Infrastructure Projects and the Government Procurement Act. The differences between these two Acts, as well as the government’s promotion of private participation in infrastructure projects, were explored by investigating the spirit of the laws, open procedures, security measures, private sector participation and measures that promote public interest and prevent fraud. In conclusion, the historical background, legislative purpose, implementation procedures, transparency and confidentiality regulations are found to be fundamentally different between the two Acts. Because of this, executives should avoid erroneously misapplying laws.