The Seishō Bypass ( 西湘バイパス , Seishō Baipasu ) (lit. West Shōnan Bypass) is a toll road in Kanagawa Prefecture , Japan . It is owned and managed by Central Nippon Expressway Company .
19-550: Officially the road is designated as a bypass for National Route 1 . It is also classified as a road for motor vehicles only ( 自動車専用道路 , Jidōsha Senyō Dōro ) and access is controlled with interchanges and junctions in a similar manner to national expressways in Japan. The road closely follows the coastline of Sagami Bay , facilitating access between the Tokyo urban area and the city of Odawara in western Kanagawa Prefecture. At
38-698: Is a major highway on the island of Honshū in Japan . It connects Chūō, Tokyo in the Kantō region with the city of Osaka , Osaka Prefecture in the Kansai region , passing through the Chūbu region en route. It follows the old Tōkaidō westward from Tokyo to Kyoto , and the old Kyo Kaidō from there to Osaka. Between Tokyo and Aichi Prefecture it parallels the Tomei Expressway ; from there to Mie Prefecture ,
57-445: Is collected. Electronic Toll Collection (ETC) is accepted for payment, however no discount programs are in effect. In September 2007 Typhoon Fitow caused extensive damage to the road, reducing some sections to two lanes of traffic and forcing the complete closure of other sections. The entire road was restored to full capacity on April 25, 2008. Japan National Route 1 National Route 1 ( 国道1号 , Kokudō Ichi-gō )
76-512: Is the longest highway in the country. When oversea routes are included, it is the second longest highway in Japan, with National Route 58 then measuring 884.4 kilometers (549.5 mi) because of its maritime sections. The highway connects Tokyo and Aomori via Utsunomiya , Kōriyama , Sendai , and Morioka . From Saitama Prefecture to Iwate Prefecture , it parallels the Tōhoku Expressway ; from Morioka to Hachinohe , it parallels
95-520: The Hachinohe Expressway . At its northern terminus it links with National Route 7 . The southern terminus of National Route 4 lies at Nihonbashi , the kilometer zero of Japan in Chūō, Tokyo . The marker here signifies the terminus of national highways including National Route 1 , National Route 6 , National Route 14 , National Route 15 , National Route 17 , and National Route 20 . Of
114-674: The Higashi-Meihan Expressway , and from Shiga Prefecture to Osaka, the Meishin Expressway . It has a total length of 760.9 kilometers (472.8 mi). At its eastern terminus in Nihonbashi , Chūō, Tokyo , it meets National Routes 4 , 6 , 14 , 15 , 17 , and 20 . At its western terminus in Umeda , Kita-ku, Osaka , it links with Routes 2 , 25 , 26 and other highways. National Route 1 links Tokyo to
133-639: The Matsumaedō (松前道) connected Sendai with Cape Tappi and indirectly to Hakodate on the southern shore of Hokkaido on the Tsugaru Strait . Though the Ōshū Kaidō has only 27 post stations, there were over 100 designated post stations when the subroutes are included. Some sections and markers of the Ōshū Kaidō in their original state can still be found alongside National Route 4, the Hachinohe Expressway , and Tōhoku Expressway . On 4 December 1952 First Class National Highway 4 (from Tokyo to Aomori)
152-676: The Umeda district of Osaka's Kita ward . In Umeda, it has a junction with national routes 2 , 26 , 163 , 165 , 25 , and 176 . National Route 1 was preceded by the Tōkaidō between Tokyo and Kyoto and the old Kyo Kaidō from Kyoto to Osaka . The road's construction was ordered by the first shōgun of the Edo period, Tokugawa Ieyasu . It served to link the old capital of Japan, Kyoto, to Tokugawa's new capital, Edo . The Tōkaidō's post stations , known in Japanese as shukuba , were captured by
171-624: The five routes of the Edo period . They were established by Tokugawa Ieyasu for government officials traveling through the area to connect Edo (modern-day Tokyo) with Mutsu Province and the present-day city of Shirakawa, Fukushima Prefecture, Japan. There were also many roads that connected to the Ōshū Kaidō that are included in National Route 4. One such sub-route was the Sendaidō (仙台道), which connected Mutsu Province with Sendai. From Sendai,
190-651: The Edo-dōri concurrency with National Routes 6 and 14. Traveling north along Showa-dōri, National Route 4 serves as a frontage road to the Ueno Route of the Shuto Expressway system between Chūō and Taitō . The Ueno Route merges in to National Route 4 just to the northeast of Ueno Station . The highway then crosses over the Sumida River into Adachi . From the northern side of the river to Utsunomiya ,
209-595: The eastern terminus the Seishō Bypass continues as a toll-free road managed by the Ministry of Land, Infrastructure and Transport . In the west, the main route terminates near the resort town of Hakone , while a short branch route terminates at an intersection with National Route 135 which leads to the resort town of Atami and the Izu Peninsula . The first section of the road was opened to traffic in 1967 and
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#1732797340239228-550: The entire route was completed in 1972. The main route has 4 lanes of traffic and the Ishibashi branch route has 2 lanes. There are three toll collection points along the road. On the main route at the Tachibana Toll Plaza, a toll of 250 yen is collected from regular passenger cars. At Kōzu Interchange these vehicles are charged 150 yen at the eastbound exit and westbound entrance. At Ishibashi Interchange 200 yen
247-404: The highway almost entirely along its current routing. On 1 April 1965 the route was redesignated as General National Route 1. All junctions listed are at-grade intersections unless noted otherwise. Japan National Route 4 National Route 4 ( 国道4号 , Kokudō Yongō ) is a major national highway in eastern Honshū , Japan. Measuring 738.5 kilometers long (458.9 mi), it
266-812: The highway is known as the Nikkō Kaidō . In the ward the highway crosses beneath the Central Circular Route of the Shuto Expressway system, with an interchange with the expressway's frontage road. National Route 4 travels north through Adachi, roughly paralleling the Tobu Skytree Line . It then curves to the northwest, crossing over the Kena River into the city of Sōka in Saitama Prefecture . National Route 4
285-445: The important prefectural capitals of Yokohama ( Kanagawa Prefecture ), Shizuoka , Nagoya (Aichi Prefecture), Otsu ( Shiga Prefecture ), Kyoto, and Osaka. It is the modern incarnation of the pre-modern Tōkaidō . The main line of National Route 1 has a length of 638.4 kilometers (396.7 mi). When bypasses signed as National Route 1 are included, its total distance increases to 777.9 kilometers (483.4 mi). Out of all of
304-405: The mentioned highways, three travel concurrently with National Route 4 from Nihonbashi: National Routes 6, 14, and 17. Just north of the starting point, National Route 17 leaves the concurrency continuing north while National Route 4, along with National Routes 6 and 14, turn east on to Edo-dōri. Three blocks from there Edo-dōri intersects Shōwa-dōri. National Route 4 turns on to Shōwa-dōri leaving
323-598: The national highways in Japan, it is the second longest land-based route after National Route 4 , though National Route 58 is the longest route when seabound routes are factored in. The highway's origin and eastern terminus lie at Nihonbashi in Tokyo's Chūō ward . At Nihonbashi it meets national routes 4, 6 , 14 , 15 , 17 , and 20 . The highway passes through the cities of Kawasaki , Yokohama , Odawara , Numazu , Shizuoka , Hamamatsu , Nagoya , Yokkaichi , Ōtsu , and Kyoto . Its endpoint and western terminus lie in
342-616: The printmaker Utagawa Hiroshige in his ukiyo-e prints, The Fifty-three Stations of the Tōkaidō . In 1919, the first Road Act was passed, establishing a highway also called National Route 1 between Tokyo and the city of Shingū in Wakayama Prefecture partially along the current route. On 4 December 1952 the route was designated by the Cabinet of Japan as Primary National Highway 1 between Tokyo and Osaka , establishing
361-590: Was preceded by the Tōsandō , a road initially established during the Asuka period as a road linking Kinai (now Kyoto and Nara ) to what is now the vicinity of Morioka, Iwate . The portion of the Tōsandō that was later incorporated into National Route 4 lies between Tochigi Prefecture and Iwate Prefecture. The next development of the route came along with the creation of the Ōshū Kaidō (奥州街道) and Nikkō Kaidō (日光街道) as two of
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