交通運(yùn)輸外文翻譯-交通線(xiàn)路-資料下載頁(yè)
2025-01-19 06:57本頁(yè)面
【導(dǎo)讀】通方式的不同假設(shè)。在三步旅行者行為仿真模型中，使用了廣義運(yùn)輸成本的概念。步形成，在很大程度上依賴(lài)于交通運(yùn)輸?shù)倪M(jìn)步。由于人口爆炸和改造中心城市，許。例如，80%多回龍關(guān)郊區(qū)社區(qū)的居民在北京或發(fā)達(dá)地區(qū)中心城市工作，幾。乎有一半的北京社區(qū)居民受雇于朝陽(yáng)區(qū)中央商務(wù)區(qū)。供經(jīng)營(yíng)效率方面對(duì)交通政策制定者和城市規(guī)劃設(shè)計(jì)師提出了新的挑戰(zhàn)。在許多情況下，邊沿城鎮(zhèn)通過(guò)高速公路和城市軌道連接中心城市或工業(yè)園區(qū)。費(fèi)用和服務(wù)質(zhì)量，將影響整體運(yùn)輸系統(tǒng)與城市空間結(jié)構(gòu)。在第五節(jié)中，特別提到的情況是，利用北京的輕軌和高速公路，西北地區(qū)。采用的實(shí)證研究狀況用于改變結(jié)果，研究人與旅游目的等。約翰松等使用瑞典上班者的圖片案例表明了靈活性和舒適性。析，認(rèn)為有四類(lèi)人。情況下所造成的嚴(yán)重?cái)D塞。結(jié)果表明，這些低收入公民因現(xiàn)有運(yùn)輸服務(wù)的政策限制遷移到郊區(qū)的經(jīng)濟(jì)房。在北京，許多經(jīng)濟(jì)公寓是專(zhuān)為那些低收入居民建造準(zhǔn)備的。在重大問(wèn)題的決策之前有兩個(gè)主要的問(wèn)題。
【正文】 to abandon the plan of migrating to suburb mainly owing to the serious congestion on the condition of free use. Another deeply influenced group is medium ine travelers who shift from public transport modes to car driving. Bus fare reduction and bus lines increase make many medium ine residents shift to bus transport, meanwhile the car users shift to light rail, particularly those who travel for short distances. Furthermore, the research finds that an integrated policy of improved public transport service and some private car disincentives is beneficial to improve system efficiency and suburb munity attractiveness. The integration consists of light rail and bus fare reduction, service quality improvement and highway toll imposition. It should be pointed out that light rail has been designed to increase transit rider ship by making public transport more attractive to users and, thus, to reduce road congestion. According to the simulation result, the light rail and bus fare reduction and capacity increase makes this mode more attractive to those low and medium ine travelers who are captive to bus mode before. The final oute is that more people can migrant to the suburb, from low to high ine classes. Of course, the public transport service improvement requires government subsidization, which is a worldwide phenomenon. The economic travel distance of each mode is almost not affected by different transport service policies. Bus is used more by short distance traveler, while the medium and long distance muters prefer to light rail. On the contrary, car users are not sensitive to the travel distance, as shown in figure 34. The result indicates that those low ine citizens are restricted from migrating to economic houses in suburb towns on account of existing transport service policies, including relatively high fare of public transport and highway, limited light rail capacity and bus lines. Of course, all transport modes have been affected to some degree by the numbers of persons working at home. Urban transportation is a major realm of government po1icy throughout the world. The transport policies also will affect the urban form deeply, especially during suburbanization. In Beijing, many economic apartments have been constructed in suburb for those low ine citizens. There are two major problems before the policy makers. First, from the past experience, a large number of the permanent residents in the suburban munities are medium or even high ine people. And many of the house owners still reside in central city and go to their suburban house only for holiday. In addition, the residents continually plain at the transport congestion and relative high toll of highway, particularly at peak time. The results of simulation in this study explain these phenomena and try to give some policy implications.
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