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42-645: The Kobe-Awaji-Naruto Expressway ( 神戸淡路鳴門自動車道 , Kōbe-Awaji-Naruto Jidōsha-dō , shortened to Shintanmei-dō ( 神淡鳴道 ) ) is a tolled expressway that connects Hyōgo and Tokushima prefectures in Japan by crossings of the Akashi Strait and Naruto Strait . Built between 1970 and 1998, it is one of the three routes of the Honshu-Shikoku Bridge Expressway Company connecting Honshū and Shikoku islands. The route

84-456: A large network of controlled-access toll expressways . Following World War II , Japan's economic revival led to a massive increase in personal automobile use. However the existing road system was inadequate to deal with the increased demand; in 1956 only 23% of national highways were paved, which included only two thirds of the main Tokyo - Osaka road ( National Route 1 ). In April 1956

126-718: A mainly humid continental climate while the south has a humid subtropical climate . The name of the island, Honshū ( 本州 ) , directly translates to "main province" or "original land" in English. Humans first arrived in Honshu approximately 37,000 years ago, and likely earlier. The first humans to arrive in Honshu were Stone Age hunter-gatherers from Northeast Asia, likely following the migration of ice age megafauna . Surviving artifacts from this period include finely-crafted stone blades, similar to those found in Siberia . Honshu

168-466: A plan was formally enacted for a 7,600 kilometres (4,722.4 mi) national expressway network. Under this plan construction of expressways running parallel to the coastlines of Japan would be given priority over those traversing the mountainous interior. In 1987, the plan was revised to extend the network to 14,000 kilometres (8,699.2 mi). In April 2018, completed sections of the network totaled 9,429 kilometres (5,858.9 mi) In October 2005 JH,

210-476: A road for motor vehicles only cannot be classified as a national or urban expressway, it may be classified into one of the following categories. Honshu Honshu had a population of 104 million as of 2017 , constituting 81.3% of the entire population of Japan, and mostly concentrated in the coastal areas and plains. Approximately 30% of the total population resides in the Greater Tokyo Area on

252-469: A standard that allows conversion to four lanes in the future. The default speed limit is 70 km/h (approximately 43.496 mph ) on undivided expressways, while the speed limit on divided expressways is (unless a lower speed is posted) 120 km/h (approximately 74.56455 mph); the speed limit is, however, 100 km/h (approximately 62.13712 mph) for a bus with a GVWR over 3.5 t and a truck with a GVWR over 3.5 t and maximum 8 t, 90 km/h (approximately 55.9234 mph) for

294-744: A truck with a GVWR over 8 t, and 80 km/h (approximately 49.7097 mph) for motor vehicles with a trailer and three-wheelers (and trucks over 8 t before April 2024 when the speed limit for trucks was raised to 90 km/h). Vehicles unable to reach a speed over 50 km/h (31.06856 mph), such as a tractor or moped , are not permitted on an expressway. Variable speed limits are also in effect on most expressways and speeds are temporarily reduced due to adverse driving conditions. Many rest facilities such as parking areas (usually only with toilets or small shops) and service areas (usually with many more amenities such as restaurants and gas stations ) serve travellers along national expressways. On October 24, 2016,

336-701: Is Japan's first high-speed rail line. It is the world's oldest high-speed rail line and one of the most heavily used. The San'yō Shinkansen , connects the two largest cities in western Japan, Shin-Osaka in Osaka with Hakata Station in Fukuoka . Both the Tokaido Shinkansen and the Sanyo Shinkansen help form a continuous high-speed railway through the Taiheiyō Belt megalopolis. The island

378-595: Is assigned the route number of E2A . National expressways are often tolled, with the 325.5 kilometres (202.3 mi) journey from Tokyo to Nagoya on the Tōmei Expressway costing ¥7,100 in tolls for an ordinary car. According to the Japan Times, expressway tolls in Japan are three times as high as in France. With a few exceptions, tolls on national expressways are based on distance travelled. When entering

420-719: Is from Honshu. Japan's three largest industrial regions are all located on Honshu: the Keihin region , the Hanshin Industrial Region , and the Chūkyō Industrial Area . Honshu is home to a large portion of Japan's minimal mineral reserves, including small oil and coal deposits. Several coal deposits are located in the northern part of the island, concentrated in Fukushima Prefecture and Niigata Prefecture , though Honshu's coal production

462-411: Is located in a belt running along Honshu's southern coast, from Tokyo to Nagoya , Kyōto , Osaka , Kobe , and Hiroshima ; by contrast, the economy along the northwestern Sea of Japan coast is largely based on fishing and agriculture. The island is linked to the other three major Japanese islands by a number of bridges and tunnels. The island primarily shares two climates, with Northern Honshu having

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504-436: Is negligible in comparison to Hokkaido and Kyushu . Most of Japan's oil reserves are also located in northern Honshu, along the west coast, spanning Niigata, Yamagata , and Akita Prefectures. Most of Japan's copper, lead, zinc and chromite is located on Honshu, along with smaller, scattered deposits of gold, silver, arsenic, sulfur and pyrite . The Tokaido Shinkansen , opened in 1964 between Tokyo and Shin-Ōsaka ,

546-561: Is signed E28 under Ministry of Land, Infrastructure, Transport and Tourism 's "2016 Proposal for Realization of Expressway Numbering." The expressway is 89.0 kilometres (55.3 mi) long with 24.3 kilometres (15.1 mi) of that stretch consisting of bridges, chiefly the Akashi Kaikyō Bridge and Ōnaruto Bridge . The expressway has four lanes along the entire route from Kobe to Naruto in Tokushima, with an exception along

588-576: The Japan Highway Public Corporation (JH) was established by the national government with the task of constructing and managing a nationwide network of expressways. In 1957 permission was given to the corporation to commence construction of the Meishin Expressway linking Nagoya and Kobe , the first section of which opened to traffic in 1963. In addition to the national expressway network administered by JH,

630-539: The Kantō Plain . As the historical center of Japanese cultural and political power, the island includes several past Japanese capitals, including Kyōto , Nara , and Kamakura . Much of the island's southern shore forms part of the Taiheiyō Belt , a megalopolis that spans several of the Japanese islands. Honshu contains Japan's highest mountain, Mount Fuji, and its largest lake, Lake Biwa . Most of Japan's industry

672-734: The Minami Bisan-Seto Bridge ), the Seikan Tunnel connects Honshu with Hokkaidō, and the Kanmonkyo Bridge and Kanmon Tunnel connect Honshu with Kyūshū . These are notable flora and fauna of Honshu. Being on the Ring of Fire , the island of Honshu is seismically active, and is home to 40 active volcanoes. In 2011, an earthquake of magnitude 9.0–9.1 occurred off the coast of Honshu, generating tsunami waves up to 40.5 meters (133 ft) high and killing 19,747. It

714-474: The National Route 1 . However, there are exceptions in this rule, and some expressways that are assigned with the two-digit numbers greater than 59 which are not used for the national highway route numbers. The E64 Tsugaru Expressway is an example of this exception as it parallels National Route 101 . If more than one expressway runs parallel with a national highway route, the newer expressway within

756-895: The Shuto Expressway in the Tokyo area and the Hanshin Expressway in the Osaka area. There are other smaller networks in Nagoya , Hiroshima , Kitakyūshū , and Fukuoka . Each network is managed separately from each other (the Fukuoka and Kitakyūshū Expressways are managed by the same company but are not physically connected to each other). In 2019, there were 163 fatalities, 527 serious injuries and 11,702 minor injuries on all expressways, all of which were lower than in 2018. All roads in Japan that are built to expressway standards (including national and urban expressways themselves) are known as Roads for motor vehicles only ( 自動車専用道路 , Jidōsha Senyō Dōro ) . If

798-617: The atomic bombings of Hiroshima and Nagasaki shortly before Japan's surrender and signing of the Japanese Instrument of Surrender on September 2, 1945, on board the USS ; Missouri  (BB-63) in Tokyo Bay . The island is roughly 1,300 km (810 mi) long and ranges from 50 to 230 km (31 to 143 mi) wide, and its total area is 227,960 km (88,020 sq mi), making it slightly larger than

840-589: The Akashi Kaikyō Bridge, were it has six lanes. The speed limit is 70 km/h between Awajishima-minami Interchange and Naruto-kita Interchange, 100 km/h between Awaji Interchange and Seidan-Mihara Interchange as well as between Kobe-Nishi Interchange and Tarumi Junction. The remainder of the expressway has a speed limit set at 80 km/h. On 8 June 1985 the first sections of the expressway opened. These were between Tsuna-Ichinomiya Interchange and Sumoto Interchange and between Naruto-kita Interchange and

882-550: The Japanese Ministry of Land, Infrastructure, Transport and Tourism had introduced a new format of route numbering system for national expressways. Expressway route numbers begin with the prefix E or C (for circular route) followed by their respective numbers. Expressway routes are numbered according to the parallel national highway routes; for example, the E1 Tomei Expressway runs parallel with

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924-775: The Metropolitan Expressway Company, while the Hanshin Expressway Public Corporation transferred its authority to the Hanshin Expressway Company. The Honshu-Shikoku Bridge Authority became the Honshu-Shikoku Bridge Expressway Company , whose operations are planned to eventually be absorbed into those of W-NEXCO. The act authorizing the privatization, the Act on Expressway Companies ( 高速道路株式会社法 , Kōsoku-dōro kabushiki gaisha-hō , Act No. 99 of 2004) ,

966-585: The Metropolitan Expressway Public Corporation, the Hanshin Expressway Public Corporation, and the Honshū-Shikoku Bridge Authority (managing three fixed-link connections between Honshu and Shikoku ) were privatized under the reform policies of the government of Prime Minister Junichiro Koizumi . These privatizations are technically converting the corporations into stock companies with no stock sold to

1008-505: The National Expressway Construction Association, 4.41 million vehicles use the expressways daily, driving an average of 43.7 kilometres (27.2 mi). National expressways ( 高速自動車国道 , Kōsoku Jidōsha Kokudō ) make up the majority of expressways in Japan. This network boasts an uninterrupted link between Aomori Prefecture at the northern part of Honshu and Kagoshima Prefecture at

1050-721: The New Direct Control System, whereby national and local governments will absorb the burden for expressway construction and operate toll-free upon completion. Urban expressways ( 都市高速道路 , Toshi Kōsokudōro ) are intra-city expressways that are found in many of Japan's largest urban areas. Due to the nature of urban expressways going through dense urban areas combined with weak eminent domain powers in Japan, urban expressways have much lower design speed compared to national expressways and are constructed as viaducts or as underground tunnels along existing arterial roads. The two largest urban expressway networks are

1092-455: The Pacific shore. The climate is generally humid subtropical in western Japan and humid continental in the north. Honshu has a total population of 104 million people, according to a 2017 estimate, 81.3% of the entire population of Japan. The largest city is Tokyo (population: 13,988,129), the capital of Japan and part of the Greater Tokyo Area , the most populous metropolitan area in

1134-562: The corridor or one that deviates further from the national highway route may carry the suffix A at the end of its route number. For example, the Chūgoku Expressway and San'yō Expressway both run in parallel along the National Route 2 corridor. The San'yō Expressway is assigned the route code of E2 for running closer to the path of National Route 2 through the coastal cities, and the Chūgoku Expressway which runs further inland

1176-427: The expressway, one collects a ticket, which can be inserted along with the fare into a machine or handed to an attendant upon exiting the expressway. There is also an Electronic Toll Collection (ETC) card system installed in many cars which automatically pays at the toll gate. As of 2001 toll fees consist of a 150 yen terminal charge plus a fee which depends on the distance travelled. The rate of this fee depends on

1218-459: The general public, since the Government of Japan hold controlling shares in the successor companies. The expressway network of JH was divided into three companies based on geography - East Nippon Expressway Company (E-NEXCO), Central Nippon Expressway Company (C-NEXCO), and West Nippon Expressway Company (W-NEXCO). The Metropolitan Expressway Public Corporation transferred its authority to

1260-475: The government established additional corporations to construct and manage expressways in urban areas. The Metropolitan Expressway Public Corporation (responsible for the Shuto Expressway ) was established in 1959, and the Hanshin Expressway Public Corporation (responsible for the Hanshin Expressway ) was established in 1962. By 2004 the lengths of their networks had extended to 283 kilometres (175.8 mi) and 234 kilometres (145.4 mi) respectively. In 1966

1302-597: The highway between Kobe-Nishi Interchange and Tsuna-Ichinomiya Interchange was opened with the completion of the Akashi Kaikyō Bridge. The most recent development on the expressway came on 17 February 2018, when the ETC -only Awajishima-chuo Smart Interchange was opened. TB= Toll booth, SA= Service Area, PA= Parking Area Expressways of Japan The expressways ( 高速道路 , kōsoku-dōro , lit. "high-speed road", also jidōsha-dō ( 自動車道 ) , lit. "automobile road", "freeway", "expressway", or "motorway") of Japan make up

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1344-552: The island of Great Britain . Its land area has been increasing with land reclamation and coastal uplift in the north due to plate tectonics with a convergent boundary . Honshu has 10,084 kilometres (6,266 mi) of coastline. Mountainous and volcanic, Honshu experiences frequent earthquakes (such as the Great Kantō earthquake , which heavily damaged Tokyo in September 1923; and the earthquake of March 2011 , which moved

1386-433: The main produce grown in Honshu. The Tohoku region, spanning the north-eastern part of the island, is notable for its rice production, with 65% of cultivated land being rice paddy fields – almost a quarter of all paddy fields in Japan. Chiba Prefecture is famous for its peanuts, also being the largest producer in Japan. Rare species of the lichen genus Menegazzia are found only in Honshu. Most of Japan's tea and silk

1428-482: The northeastern part of the island by varying amounts of as much as 5.3 m (17 ft) while causing devastating tsunamis). The highest peak is the active volcano Mount Fuji at 3,776 m (12,388 ft), which makes Honshu the world's 7th highest island . There are many rivers, including the Shinano River , Japan's longest. The Japanese Alps span the width of Honshu, from the 'Sea of Japan' coast to

1470-418: The now defunct Seidan Interchange. The latter of the two sections includes the Ōnaruto Bridge. On 23 May 1987, the road was extended south from Naruto-kita Interchange to its southern terminus at Naruto Interchange. Next, on 8 October 1987, the highway between Sumoto IC and Seidan-Mihara Interchange was opened. The opening of Seidan-Mihara Interchange necessitated the closure of Seidan Interchange. On 5 April 1998

1512-592: The southern part of Kyushu , linking Shikoku as well. Additional expressways serve travellers in Hokkaido and on Okinawa Island , although those are not connected to the Honshu-Kyushu-Shikoku grid. Most expressways are four lanes with a central reservation (median). Some expressways in close proximity to major urban areas are six lanes, while in rural areas are constructed as undivided two-lane expressway . Two-lane expressway sections are built to

1554-565: The type of vehicle as shown in the following table. Tolls are always rounded to the nearest 10 yen and include consumption tax . If there are two or more possible routes from the entrance to the exit, the toll will be calculated based on the shortest (cheapest) route. Tolls collected from all routes are pooled into a single fund and are used to repay the entire network. It is expected that all national expressways in Japan will be fully repaid 45 years after privatization (2050). Some future national expressways are planned to be built according to

1596-655: The world. Honshu is connected to the islands of Hokkaidō, Kyūshū and Shikoku by tunnels and bridges. Three bridge systems have been built across the islands of the Inland Sea between Honshu and Shikoku ( Akashi Kaikyo Bridge and the Ōnaruto Bridge ; Shin-Onomichi Bridge , Innoshima Bridge , Ikuchi Bridge , Tatara Bridge , Ōmishima Bridge , Hakata–Ōshima Bridge , and the Kurushima Kaikyō Bridge ; Shimotsui-Seto Bridge , Hitsuishijima Bridge , Iwakurojima Bridge , Yoshima Bridge , Kita Bisan-Seto Bridge , and

1638-445: Was decided in 1972 that tolls would be pooled from all expressways to provide a single source of operating funds, since some sections were little used. Earthquake resistant construction methods have added to costs, as well as extensive soundwalling . In March 2009 (then) Prime Minister Taro Aso unveiled a plan to reduce tolls to ¥1,000 on weekends and national holidays. Tolls on weekdays would be cut by around 30 percent. According to

1680-671: Was modeled on similar acts authorizing the privatization of the Japanese National Railways into the Japan Railways Group (JR Group). However, unlike the JR Group acts: Japan's expressway development has been financed largely with debt. It was intended to make the expressways free when they are paid off. The Meishin Expressway and Tomei Expressway debt has been fully paid off since 1990. It

1722-609: Was the most powerful earthquake ever recorded in Japan , and the fourth most powerful earthquake in the world since modern record-keeping began in 1900. The tsunami subsequently led to the meltdown of 3 nuclear reactors at the Fukushima Daiichi Nuclear Power Plant , leading to the Fukushima nuclear disaster . Honshu island generates around US$ 3.5 trillion or more than 80% of Japan's GDP . Fruit, vegetables, grains, rice and cotton make up

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1764-795: Was the target of devastating air raids during the Pacific War of World War II . The first air raid to strike Honshu and the other home islands was the Doolittle Raid . With the introduction of the Boeing B-29 Superfortress , the firebombing of Tokyo culminated in Operation Meetinghouse , the most destructive air raid in human history, which destroyed 16 square miles (41 km ; 10,000 acres) of central Tokyo , leaving an estimated 100,000 civilians dead, and over one million homeless. The war ended with

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