Combined Railway and Urban Development Toward the 21St Century
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Combined railway and urban development toward the 21st century Kaneo HOSHINO Fellow of JSCE, President, Kansai High-Speed Railway Co., Ltd. Ongoing New Joban Line Project Photo 1 Overall view of Akihabara Station under construction A new approach to integrated urban and rail- FROM HIGH-TECH TOWN TO ACADEMIA way development is being implemented in the he Akihabara district of Tokyo throngs with peo- Tokyo metropolitan area. The New Joban Line T ple visiting its huge electronics stores. Personal project is not merely a railway construction pro- computer shops are now more prominent than in the ject, but rather a huge effort aimed at improving past, so Akihabara seems more high-tech than ever. urban functions along a new railway. The pro- Akihabara station is a transit point for passengers travel- ject is enormous, with the cost reaching about ing on three railway lines (the Yamanote line, Keihin ·1 trillion for railway construction alone; includ- Tohoku line, and Sobu line) and one subway line ing urban development along the railway corri- (Hibiya line). Thus the station plays an important role as dor, the total is estimated to reach as high as a railway hub for the metropolitan area. ·7 trillion. As the president of a railway compa- My visit was the first for a while, and I noticed that a ny in the rather-distant Kansai area of Japan land readjustment project was under way close to the and with an engineering degree, I made a quick station. This is where the Kanda wholesale market and tour of project sites on the New Joban Line to Akihabara freight depot once stood. I felt a general see the status of the project. This report sums sense of enthusiasm among local people as their neigh- up my views on how railway development borhood redevelops. From a construction base in the should proceed in the future. readjustment area, diaphragm walls were being built for 32 the new Akihabara station, terminus of the New Joban Line. (Photo 1) From this terminus, the 53-km railway will pass through Saitama and Chiba Prefectures before terminat- ing at Tsukuba in Ibaraki Prefecture. Driving north up the Joban Expressway along the route of the new line, I was impressed by the residential and rural land stretch- ing outward to the northern Kanto plain, and I could Fig. 1. Electronic Mobile Unit of New Joban Line imagine the fast railway access of the 21st century. (Fig. (illustrated) 1) The drive to Tsukuba took about an hour. This area has seen extensive development since 1963, when it was designated Tsukuba Science City. It is now home to Niihari-mura about 46 public research/education institutions. Tsuchiura Shimotsuma-shi Chiyokawa-mura Together with private ones, it is the densest integration Kanto Railway Joban Line Tsukuba Kuzushiro of research institutions anywhere in the world. Against Ishige-cho Tsukuba-shi Joban Line the background of the huge new EPOCAL Tsukuba, an Shimana Kayamaru international convention center that opened in June Mitsukaido 1999, it is clear that the town is fulfilling its role as a Ibaraki Pref. Yawahara-mura Inayawahara place of international exchange. Ina-cho Moriya-cho Moriya Kashiwa Toride Noda-shi -shi OUTLINE OF RAILWAY CONSTRUCTION Kashiwa Hokubu Higashi Kashiwa Hokubu Chuo PROJECT Tobu Noda Line Yoshikawa Nagareyama Kashiwa Chiba Pref. plan to reduce congestion by building a new line, Nagareyama Shinshigaichi Tobu Isezaki Line Nagareyama Undokoen A the Second Joban Line, in addition to the Joban Saitama Pref. Misato-shi Minami Nagareyama Misato Chuo Umabashi Line was once proposed in the days of the Japanese Yashio-shi Yashio Matsudo National Railways (JNR). The enormous construction Adachi-ku Musashino Line Roku-cho cost prevented the plan from moving forward. For a Aoi Sobu Line Arakawa-ku Kitasenju while, I myself worked on this Second Joban Line pro- Minamisenju Taitou-ku Shin Asakusa Specific ject at the head office of JNR, prior to the privatization. Tokyo development Moto Asakusa area The plan remained an important part of efforts to Akihabara Chiyoda-ku Comprehensive development develop the northeastern metropolitan area. With strong area support from the ministries of Transport, Construction Specific development area : area in which large numbers of and Home Affairs, a plan to develop the railway as a residential lots are promised third-sector project was put into effect by establishing through development of the new railway the Metropolitan Railway Co., Ltd., which is primarily Comprehensive development area : part of specific development area in which large numbers of made up of municipalities along the route. residential lots are planned for Once opened, the New Joban Line will link areas around new stations Akihabara with Tsukuba in 45 minutes, considerably Fig. 2. Route map of the New Joban Line reducing today's access time; Tsukuba Academic New Town is currently 85 minutes away by train on the Joban Nagareyama station at the junction with the JR Line and 65 minutes by bus on the expressway. There Musashino Line and Tsukuba station. (Fig. 2) are plans for 20 stations along the line in Tokyo, With a construction cost estimated at about ¥1.05 Saitama, Chiba, and Ibaraki Prefectures. Seven stations trillion, financing consists of 40% in non-interest bear- in Tokyo, including the Akihabara terminus, will be ing loans from the national government (Corporation for built underground, with the exception being Kitasenju Advanced Transport and Technology), 40% in non-inter- station. In Saitama and northward, the railway will be est bearing loans from the municipalities, and 20% in almost continuously elevated, except near Minami investment and borrowings from treasury investment 33 Railway facility site Railway New station Combined facility site Commercial building development Consolidation district and exchange Park Pre-acquired of land land Housing lot Phase I Phase II Phase III o Sites for railway facilities are located within o The integrated land readjustment o After railway facilities and public facilities the land readjustment project of project plan is approved. have been built, construction of buildings and comprehensive development area. o Land use of the land readjustment public-service facilities leads to completion o To create land for housing, public facilities, project are decided. of comprehensive urban development. and railway facilities, land in the combined o The pre-acquired land is collected and development district is acquired in advance handed over for railway facilities. by local municipalities, the Urban Development Corporation, the railway service company, and others. Fig. 3. Development process of integrated land development and railway construction Photo 2 A viaduct under construction in an area of land Fig. 4. Urban development plan for Moriya Station, readjustment project (near Moriya Station, Ibaraki Prefecture Ibaraki Prefecture) and loan. The non-interest bearing loans and treasury aside land for the railway by substituting* lands investment and loan will be repaid with fare income acquired in advance by municipalities in an integrated once the line enters commercial operation. The project development area. In a major departure from the con- is expected to meet its debt obligations with complete ventional approach to land readjustment, pre-acquired reliability. lands are being consolidated and exchanged. After exchange with (handing over to) the railway service EPOCH-MAKING APPROACH THROUGH company, construction of railway facilities can begin. INTEGRATED DEVELOPMENT LAW (Fig. 3, Photo 2) n the vicinity of the new stations, land readjust- This breakthrough approach not only avoids the risk I ment and railway construction are proceeding in of difficulties in land acquisition, but also stimulates tandem. This is a new approach known as land readjust- traffic demand by encouraging simultaneous urban ment for urban railway construction. Based on the Special Measures Law for Integrated Promotion of Land * Substituting: Exchanging, subdividing, or consolidating plots Development and Railway Construction (Integrated based on urban development plans in land Development Law) enacted in 1989, the idea is to set readjustment projects 34 development around stations through the systematic preparation of public and housing land. The land needed for railway facilities is already 100% secured in the ownership of the municipalities and others, and the nec- essary procedures for city planning decision are com- plete, so the project is now in its implementation phase. NEW CITY PLANNING he integrated land readjustment for urban railway T construction involves implementing land rearrangements and railway development. On the read- justed land in the vicinity of the line, urban development plans concerning regional characteristics are being for- Photo 3 Rigid frame viaduct with arch-slab mulated. This land readjustment for the line covers about 3,000 ha at 17 sites as the so-called "concentrated devel- ensure that the budget is not exceeded. Further, as I am opment areas" around stations alone, for a total cost of in charge of third-sector management in the Kansai about ¥1.2 trillion. In addition, housing and public facili- region, I was particularly interested in efforts to reduce ty development projects will cost about ¥4.2 trillion. the capital investment burden on the railway service When I visited, preparations for areal development company. I made enquiries of the Japan Railway were under way around Yashio and Misato Chuo sta- Construction Public Corporation, a major body involved