Yoshihisa ASADA's scientific contributions
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Publications (4)
![Table 4 . Strength and Limitations of [2] Mean GPS Spot Speed](profile/Kawaguchi-Hirohisa/publication/284383733/figure/tbl4/AS:667787777286147@1536224421132/Strength-and-Limitations-of-2-Mean-GPS-Spot-Speed_Q320.jpg)
Many urban areas in developing countries are experiencing serious traffic congestion. There are several obstacles to overcome in order to implement a travel speed survey (TSS) in these areas such as budget and time, lack of information on road segments, flexible operation of traffic control and relatively high deviation of travel speeds. Taking the...
Motorization is a global trend especially in urban areas in emerging economies. This aggravates local problems of traffic congestion together with environmental problems as well as global issues of climate change with increase of emissions of greenhouse gases (GHGs). However, it should be noted that there are existing intensive railway infrastructu...
The purpose of this paper is to identify issues in preparing transportation plans for urban areas in emerging economies where the economy is vigorously growing by studying the urban transportation master plan formulation for the Colombo Metropolitan Area. Contrasting with developed countries, it is likely that there will be no or only weakly docume...
The purpose of this paper is to identify issues in preparing transportation plans for urban areas in emerging economies where the economy is vigorously growing by studying the urban transportation master plan formulation for the Colombo Metropolitan Area. Contrasting with developed countries, it is likely that there will be no or only weakly docume...
Citations
... The CMA has a population of 3.68 million in an area of 996 square kilometers (JICA and MoT, 2014). (JICA and MoT, 2014;Kawaguchi et al., 2015) As the traffic congestion is becoming serious, the Ministry of Transport initiated the "Urban Transport System Development Project for the Colombo Metropolitan Region and Suburbs (CoMTrans)" with assistance from the Japan International Cooperation Agency in 2012. ...
