Ken-O Expressway
Encyclopedia
The , or , is a partially completed ticket system
Ticket system
A ticket system toll road A ticket system toll road A ticket system toll road (also known as closed toll collection system, as opposed to a flat-rate toll road, is utilized by some state toll road or highway agencies that allows a motorist to pay a toll rate based on the number of miles traveled...

 toll expressway in Japan, owned and operated by the Central Nippon Expressway Company
Central Nippon Expressway Company
The , abbreviated as , is one of the main operators of expressways and toll roads in Japan. It is headquartered in Nagoya, Aichi Prefecture.The company was established on October 1, 2005 as a result of the privatization of Japan Highway Public Corporation. The company manages roadways mainly in the...

 and East Nippon Expressway Company
East Nippon Expressway Company
The , abbreviated as , is one of the main operators of expressways and toll roads in Japan. It is headquartered in Kasumigaseki, Chiyoda, Tokyo.The company was established on October 1, 2005 as a result of the privatization of Japan Highway Public Corporation. The company manages roadways mainly in...

. In conjunction with the Tokyo Bay Aqua-Line
Tokyo Bay Aqua-Line
The , also known as the Trans-Tokyo Bay Highway, is a bridge-tunnel combination across Tokyo Bay in Japan.It connects the city of Kawasaki in Kanagawa Prefecture with the city of Kisarazu in Chiba Prefecture, and forms part of National Route 409...

 and the Bayshore Route
Bayshore Route
Wangan has many meanings. See Wangan for a list.The Bayshore Route of Shuto Expressway is a stretch of toll highway in Greater Tokyo, 70 km, that runs from Yokohama city, Kanazawa ward, to Ichikawa city of Chiba Prefecture...

 of the Shuto Expressway
Shuto Expressway
is a network of toll expressways in the Greater Tokyo Area of Japan. It is operated and maintained by the .Most routes consist of elevated roadway above other roads or over water, and have many sharp curves which require caution to drive safely...

, it will form a full outer ring road
Ring road
A ring road, orbital motorway, beltway, circumferential highway, or loop highway is a road that encircles a town or city...

 of Tokyo
Tokyo
, ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...

. It is assigned the national highway Route 468 number.

Portions of the existing Yokohama-Yokosuka Expressway, Shin-Shōnan Bypass and Chiba-Tōgane Road
Chiba-Togane Road
The is a toll road in Chiba Prefecture, Japan. It is owned and operated by East Nippon Expressway Company.-Overview:Officially the road is designated as National Route 126. The road is built to an expressway standard and is classified as a road for .The road consists of two distinct sections...

 and the planned Yokohama Ring Expressway will be incorporated into the road.

The section owned by the Central Nippon Expressway Company runs from the east end of the Shin-Shōnan Bypass west along the bypass and north to interchange 42. The rest is owned by the East Nippon Expressway Company.

Route description

The expressway will begin at the south end of the Bayshore Route
Bayshore Route
Wangan has many meanings. See Wangan for a list.The Bayshore Route of Shuto Expressway is a stretch of toll highway in Greater Tokyo, 70 km, that runs from Yokohama city, Kanazawa ward, to Ichikawa city of Chiba Prefecture...

 in Yokohama
Yokohama
is the capital city of Kanagawa Prefecture and the second largest city in Japan by population after Tokyo and most populous municipality of Japan. It lies on Tokyo Bay, south of Tokyo, in the Kantō region of the main island of Honshu...

, where it will head west on the existing branch of the Yokohama-Yokosuka Expressway to that road's main line. At the junction with the main line, the current expressway ends; ramp stubs are present to continue the road west. It will split from the planned Yokohama Ring Expressway and continue west to the east end of the Fujisawa Bypass (part of Route 1
Route 1 (Japan)
National Route 1 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...

). An upgrade of that road will take it to the existing Shin-Shōnan Bypass, an expressway, which it will split from as that road turns towards the south.

The Ken-O Expressway will then head north, crossing the Tōmei Expressway
Tomei Expressway
The is a national expressway on the island of Honshū in Japan. It is operated by Central Nippon Expressway Company. It is a part of Asian Highway Network -Naming:The word Tōmei is an acronym consisting of two kanji characters...

 and Chūō Expressway
Chuo Expressway
The is a national expressway in Japan. It is owned and operated by Central Nippon Expressway Company.-Naming:Officially the expressway is designated as the Chūō Expressway Nishinomiya Route , the Chūō Expressway Nagano Route , and the Chūō Expressway Fujiyoshida Route The (lit. Central...

. North of the latter road, the present expressway begins, heading north and northeast to the junction with the Kan-Etsu Expressway
Kan-Etsu Expressway
The is a national expressway in Japan. It is owned and managed by East Nippon Expressway Company.-Naming: is the kanji acronym of and the old comprising modern-day Niigata Prefecture....

. There it will continue east across the Tōhoku Expressway
Tohoku Expressway
The is a national expressway in Japan. It is owned by Japan Expressway Holding and Debt Repayment Agency and operated by East Nippon Expressway Company.-Naming:Tōhoku refers to the Tōhoku region, the northernmost region on the island of Honshū....

 and Jōban Expressway
Joban Expressway
The , abbreviated , is a national expressway in Japan. It is owned and operated by East Nippon Expressway Company.-Naming:Jōban is a kanji acronym consisting of two characters...

; a short piece from the Joban Expressway east to the next interchange has been opened. It will turn southeast, crossing the Higashi-Kantō Expressway
Higashi-Kanto Expressway
The is a national expressway in Japan. It is owned and operated by East Nippon Expressway Company.-Overview:Officially the expressway is referred to as the Higashi-Kantō Expressway Mito Route....

 east of Narita Airport, and then running south to the present end of the Chiba-Tōgane Road
Chiba-Togane Road
The is a toll road in Chiba Prefecture, Japan. It is owned and operated by East Nippon Expressway Company.-Overview:Officially the road is designated as National Route 126. The road is built to an expressway standard and is classified as a road for .The road consists of two distinct sections...

, a two-lane expressway. Where that road abruptly turns west, the Ken-O Expressway will continue south, looping west to and at the junction of the Tokyo Bay Aqua-Line
Tokyo Bay Aqua-Line
The , also known as the Trans-Tokyo Bay Highway, is a bridge-tunnel combination across Tokyo Bay in Japan.It connects the city of Kawasaki in Kanagawa Prefecture with the city of Kisarazu in Chiba Prefecture, and forms part of National Route 409...

 and Tateyama Expressway
Tateyama Expressway
The is a national expressway in Chiba Prefecture, Japan. It is owned and operated by East Nippon Expressway Company.-Naming:Tateyama refers to the city of the same name on the Bōsō Peninsula, a major city in the region...

.

Exit list

Sections not yet opened are shown with a red background.
Number
Exit number
An exit number is a number assigned to a road junction, usually an exit from a freeway. It is usually marked on the same sign as the destinations of the exit, as well as a sign in the gore....

km Name Intersecting routes Opened Notes
Namiki (並木) Shuto Expressway
Shuto Expressway
is a network of toll expressways in the Greater Tokyo Area of Japan. It is operated and maintained by the .Most routes consist of elevated roadway above other roads or over water, and have many sharp curves which require caution to drive safely...

 Bayshore Route
Bayshore Route
Wangan has many meanings. See Wangan for a list.The Bayshore Route of Shuto Expressway is a stretch of toll highway in Greater Tokyo, 70 km, that runs from Yokohama city, Kanazawa ward, to Ichikawa city of Chiba Prefecture...

; Route 357
Route 357 (Japan)
National Route 357 is a national highway of Japan connecting Chūō-ku, Chiba and Yokosuka, Kanagawa in Japan, with a total length of 70 km ....

counterclockwise exit and clockwise entrance
Horiguchi Noukendai (堀口能見台) Route 16
Route 16 (Japan)
National Route 16 is a national highway in Japan. A beltway around Tokyo, it links the major prefectural capital cities of Yokohama , Saitama , and Chiba as well as Hachiōji . It also serves Yokosuka and Sagamihara , Kasukabe , and Kisarazu...

counterclockwise exit and clockwise entrance
Kamariya Junction (釜利谷) Yokohama-Yokosuka Expressway; Route 16
Route 16 (Japan)
National Route 16 is a national highway in Japan. A beltway around Tokyo, it links the major prefectural capital cities of Yokohama , Saitama , and Chiba as well as Hachiōji . It also serves Yokosuka and Sagamihara , Kasukabe , and Kisarazu...

 bypass
Kuden
Kuden
Kuden is a municipality in the district of Dithmarschen, in Schleswig-Holstein, Germany....

 (公田)
Sakae
Sakae
Sakae may refer to several places in Japan:* Sakae, Chiba , a town in Chiba Prefecture* Sakae, Niigata , a town in Niigata Prefecture...

? Junction (栄)
Yokohama Ring Expressway
Fujisawa
Fujisawa, Kanagawa
is a city located in Kanagawa, Japan. As of 2010, the city had an estimated population of 407,731 and a population density of 5,870 people per km². The total area is 69.51 km²-Geography:...

 (藤沢)
Route 1
Route 1 (Japan)
National Route 1 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...

March 30, 1988
Chigasaki
Chigasaki, Kanagawa
is a city located in central, Kanagawa Prefecture, Japan. As of 2010, the city had an estimated population of 234,400 and a density of 6,540 persons per km²...

? (茅ヶ崎中央)
March 30, 1988
Nishikubo Junction (西久保) Shin-Shōnan Bypass; Route 1
Route 1 (Japan)
National Route 1 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...

 bypass
Samukawa
Samukawa, Kanagawa
is a town located in Kōza District, Kanagawa Prefecture, Japan. As of 2010, the town had an estimated population of 47,739 and a density of 3,560 persons per km². The total area was 13.42 km².-Geography:...

 South (寒川南)
Samukawa North (寒川北)
Ebina
Ebina, Kanagawa
is a city located in central Kanagawa Prefecture, Japan. As of 2010, the town has an estimated population of 127,062 and a density of 4,800 persons per km². The total area is 26.48 km².-Geography:...

 South Junction (海老名南)
Second Tōmei Expressway
Ebina North Junction (海老名北) Tomei Expressway
Tomei Expressway
The is a national expressway on the island of Honshū in Japan. It is operated by Central Nippon Expressway Company. It is a part of Asian Highway Network -Naming:The word Tōmei is an acronym consisting of two kanji characters...

Ebina North (海老名北)
Atsugi
Atsugi, Kanagawa
is a city located in central Kanagawa Prefecture, Japan. As of 2010, the city has an estimated population of 225,622 and a population density of 2,410 persons per km². The total area was 93.83 km²...

 (圏央厚木)
Route 129
Route 129 (Japan)
National Route 129 is a national highway of Japan connecting Hiratsuka, Kanagawa and Sagamihara, Kanagawa in Japan, with a total length of 31.7 km ....

/Route 246
Route 246 (Japan)
is a major highway on the island of Honshū in Japan. It originates in Chiyoda, Tokyo and terminates in Numazu, Shizuoka. In and near Tokyo, it parallels the routes of the Dai-ichi Keihin, Dai-ni Keihin, and Tomei Expressways, the Tōkyū Den-en-toshi Line, Odakyu Odawara Line, Gotemba Line, and...

Sagamihara
Sagamihara, Kanagawa
is a city located in north central Kanagawa Prefecture, bordering Tokyo, Japan. It is the third most populous city in the prefecture, after Yokohama and Kawasaki, and the fifth most populous suburb of Greater Tokyo. Its northern neighbor is Machida, with which a cross-prefectural merger has been...

 (相模原)
Route 129
Route 129 (Japan)
National Route 129 is a national highway of Japan connecting Hiratsuka, Kanagawa and Sagamihara, Kanagawa in Japan, with a total length of 31.7 km ....

Shiroyama (城山)
Hachiōji
Hachioji, Tokyo
is a city located in Tokyo, Japan, about 40 kilometers west of the center of the special wards of Tokyo.As of January 1, 2010, the city has an estimated population of 551,901 and a population density of 2,962.27/km². The total area is 186.31 km². It is the eighth largest city in the...

 South (八王子南)
Route 20
Route 20 (Japan)
National Route 20 is a national highway connecting Tokyo and Shiojiri, Nagano prefecture in Japan. Originating at Nihonbashi in Chūō, Tokyo, it passes through Shinjuku and four other wards, and then seven cities, including Hachiōji in Tokyo. It follows a westward route into Kanagawa Prefecture,...

 bypass
40 Hachiōji Junction (八王子) Chūō Expressway
Chuo Expressway
The is a national expressway in Japan. It is owned and operated by Central Nippon Expressway Company.-Naming:Officially the expressway is designated as the Chūō Expressway Nishinomiya Route , the Chūō Expressway Nagano Route , and the Chūō Expressway Fujiyoshida Route The (lit. Central...

41 Hachiōji West (八王子西)
42 Akiruno
Akiruno, Tokyo
is a city located in the western end of Tokyo Metropolis, Japan. As of 2010, the city has an estimated population of 80,621 and a population density of 1,100 persons per km². The total area was 73.34 km².-Geography:...

 (あきる野)
Route 411
Route 411 (Japan)
National Route 411 is a national highway of Japan connecting Hachiōji, Tokyo and Kōfu, Yamanashi in Japan, with a total length of 118.5 km ....

March 21, 2005
43 Hinode
Hinode, Tokyo
is a town in Nishitama District, Tokyo, Japan. As of 2005, it had a population of 16,023 and an area of 28.08 km², with a population density of 570.6/km².-Geography:The highest mountain is Mount Hinode at 902 m. The Hirai and Ōguno Rivers drain the town...

 (日の出)
March 29, 2002
44 Ōme
Ome, Tokyo
is a city located in Tokyo, Japan.As of October 1, 2010, the city has an estimated population of 139,932 and a density of 1,355.14 persons per km². The total area is 103.26 km².The characters 青梅 literally mean blue ume, or Japanese apricot....

 (青梅)
March 26, 1996
45 Iruma
Iruma, Saitama
is a city in Saitama Prefecture, Japan, near Tokyo.As of 2010, the city has an estimated population of 149,269 and a population density of 3,340 persons per km². The total area is 44.74 km². The city consists of 6 areas, Toyooka, Kaneko, Higashikaneko, Fujisawa, Miyadera-Nihongi, and...

 (入間)
Route 16
Route 16 (Japan)
National Route 16 is a national highway in Japan. A beltway around Tokyo, it links the major prefectural capital cities of Yokohama , Saitama , and Chiba as well as Hachiōji . It also serves Yokosuka and Sagamihara , Kasukabe , and Kisarazu...

March 26, 1996
Sayama Parking Area (狭山PA) July 18, 2008
46 Sayama
Sayama, Saitama
, formerly known as Irumagawa, is a city located in Saitama, Japan. Sayama translates as "sitting on a mountain”. The city was founded on July 1, 1954....

 Hidaka
Hidaka, Saitama
is a city in Saitama Prefecture, Japan.As of April 1, 2011, the city has an estimated population of 57,865, with 22,588 households, and a population density of 1,218.21 persons per km²...

 (狭山日高)
March 26, 1996
47 Tsurugashima
Tsurugashima, Saitama
is a city located in Saitama Prefecture, Japan.As of May 1, 2008, the city has an estimated population of 69,919 . The total area is 17.73 km²....

 (圏央鶴ヶ島)
March 26, 1996
50 Tsurugashima Junction (鶴ヶ島) Kan-Etsu Expressway
Kan-Etsu Expressway
The is a national expressway in Japan. It is owned and managed by East Nippon Expressway Company.-Naming: is the kanji acronym of and the old comprising modern-day Niigata Prefecture....

March 26, 1996
Sakado (坂戸)
Kawashima
Kawashima
-People:*Ai Kawashima, musician*Azumi Kawashima*Chiyoko Kawashima, seiyu*Eiji Kawashima, goalkeeper*Hiroshi Kawashima, boxer*Justin Kawashima, music producer*Katsushige Kawashima, boxer*Kozo Kawashima, ski jumper*Naniwa Kawashima, spy...

 (川島)
Route 254
Route 254 (Japan)
National Route 254 is a national highway of Japan connecting Bunkyō, Tokyo and Matsumoto, Nagano in Japan, with a total length of 226.1 km ....

Okegawa Junction (桶川) Route 17
Route 17 (Japan)
National Route 17 is a highway on the island of Honshū in Japan. It originates at Nihonbashi in Chūō, Tokyo and terminates in the city of Niigata , where it meets Routes 7, 8, 49, 113 and 116)....

Okegawa (桶川)
Shōbu Shiraoka (菖蒲白岡) Route 122
Route 122 (Japan)
National Route 122 is a national highway of Japan connecting Nikkō, Tochigi and Toshima, Tokyo in Japan, with a total length of 158.3 km ....

 bypass
Kuki
Kuki, Saitama
is a city located in Saitama, Japan.As of May 1, 2011, the city has an estimated population of 156,613, with a household number of 61,071, and the density of 1,900.64 persons per km²...

 Shiraoka Junction (久喜白岡)
Tōhoku Expressway
Tohoku Expressway
The is a national expressway in Japan. It is owned by Japan Expressway Holding and Debt Repayment Agency and operated by East Nippon Expressway Company.-Naming:Tōhoku refers to the Tōhoku region, the northernmost region on the island of Honshū....

Satte (幸手)
Goka (五霞) Route 4
Route 4 (Japan)
National Route 4 is a major highway in eastern Honshū, Japan. The longest of the ordinary highways in Japan, it originates in Chūō, Tokyo and stretches north for 743.6 km to the city of Aomori in Aomori Prefecture. From Saitama Prefecture to Iwate Prefecture, it parallels the Tōhoku...

 bypass
Sakai
Sakai, Ibaraki
is a town located in Sashima District, Ibaraki, Japan.As of 2003, the town has an estimated population of 27,017 and a density of 580.01 persons per km². The total area is 46.58 km²....

 (境)
Route 354
Route 354 (Japan)
National Route 354 is a national highway of Japan connecting Takasaki, Gunma and Hokota, Ibaraki in Japan, with a total length of 172.8 km ....

 bypass
Sarusima Iwai
Iwai
-People with the surname Iwai:*Atsuhiro Iwai - Japanese Footballer*Iwai Hanshiro I - Japanese kabuki artist*Iwai Hanshiro V - Japanese kabuki artist*Iwai Hanshiro VIII - Japanese kabuki artist*Katsuhito Iwai - Japanese economist...

 (猿島岩井)
Mitsukaidō (水海道) Route 294
Route 294 (Japan)
National Route 294 is a national highway of Japan connecting Kashiwa, Chiba and Aizuwakamatsu, Fukushima in Japan, with a total length of 249.9 km ....

 bypass
Tsukuba (つくば)
80 Tsukuba Junction (つくば) Jōban Expressway
Joban Expressway
The , abbreviated , is a national expressway in Japan. It is owned and operated by East Nippon Expressway Company.-Naming:Jōban is a kanji acronym consisting of two characters...

March 29, 2003
81 Tsukuba Ushiku (つくば牛久) Route 6
Route 6 (Japan)
National Route 6 is a Japanese highway which goes from Tokyo via Mito and Hitachi in Ibaraki Prefecture towards Sendai. The route traces the old Mito Kaidō from Tokyo to Mito...

 bypass
March 29, 2003
Ami
Ami, Ibaraki
is a town located in Inashiki District, Ibaraki, Japan.As of 2003, the town has an estimated population of 47,594 and a density of 732.55 persons per km². The total area is 64.97 km². Ami has a sister city relationship with Superior, Wisconsin, United States. Its current mayor is Kōji...

 (阿見)
Ami East (阿見東)
Edosaki (江戸崎)
Azuma
Azuma, Ibaraki
Azuma was a town located in Inashiki District, Ibaraki, Japan.On March 22, 2005 Azuma was merged with the towns of Edosaki and Shintone, and the village of Sakuragawa, all from Inashiki District, to form the new city of Inashiki and no longer exists as an independent municipality.As of 2003, the...

 (東)
Kanzaki
Kanzaki
Kanzaki is a Japanese surname and term that is associated with:*Hayato Kanzaki, a fictional swordsmen.*Kanzaki District*Kanzaki, Saga*Kanzaki, Hyogo...

 (神崎)
Route 356
Route 356 (Japan)
National Route 356 is a national highway of Japan connecting Chōshi, Chiba and Abiko, Chiba in Japan, with a total length of 91.7 km ....

 bypass
Shimofusa (下総)
Taiei Junction (大栄) Higashi-Kantō Expressway
Higashi-Kanto Expressway
The is a national expressway in Japan. It is owned and operated by East Nippon Expressway Company.-Overview:Officially the expressway is referred to as the Higashi-Kantō Expressway Mito Route....

Matsuo
Matsuo
-Family name:*Matsuo Bashō*Ginzō Matsuo*Hayato Matsuo*Kinoaki Matsuo*Kayo Matsuo*Kazumi Matsuo*Kiyonori Matsuo*Seijiro Matsuo-Places:*Matsuo, Chiba*Matsuo, Iwate*Mount Matsuo*Matsuo Station *Siege of Matsuo...

 Yokoshiba (松尾横芝)
March 30, 1998
Sanbu Narutō
Naruto, Chiba
was a town located in Sanbu District, Chiba Prefecture, Japan.Narutō Town was established on April 1, 1889 within Musha District, Chiba. Musha District became part of Sanbu District from April 1, 1897. On October 1, 1954 Narutō expanded through the annexation of the neighboring villages of Ōtomi...

 (山武成東)
March 30, 1998
Tōgane Junction (東金) Chiba-Tōgane Road
Chiba-Togane Road
The is a toll road in Chiba Prefecture, Japan. It is owned and operated by East Nippon Expressway Company.-Overview:Officially the road is designated as National Route 126. The road is built to an expressway standard and is classified as a road for .The road consists of two distinct sections...

; Route 126
Route 126 (Japan)
National Route 126 is a national highway of Japan connecting Chōshi, Chiba and Chūō-ku, Chiba in Japan, with a total length of 79.2 km ....

March 30, 1998
Mobara North (茂原北)
Mobara Chōnan
Chonan
Chonan may refer to:*Chōnan, the Japanese moniker for the eldest son in a family.*Chōnan, Chiba, a town in Japan*Cheonan, a city in South Korea**Battle of Chonan, a battle in the city during the Korean War...

 (茂原長南)
Route 409
Route 409 (Japan)
National Route 409 is a national highway of Japan connecting Takatsu-ku, Kawasaki and Narita, Chiba in Japan, with a total length of 119.3 km ....

Ichihara
Ichihara
Ichihara may refer to:* Ichihara, Chiba*JEF United Ichihara Chiba, the city's football club* Ichihara Takayuki, sumo wrestler* Yūko Ichihara, manga character...

 South (市原南)
Route 297
Route 297 (Japan)
National Route 297 is a national highway of Japan connecting Tateyama, Chiba and Ichihara, Chiba in Japan, with a total length of 107 km ....

Kisarazu (木更津) Route 410
Route 410 (Japan)
National Route 410 is a national highway of Japan connecting Tateyama, Chiba and Kisarazu, Chiba in Japan, with a total length of 100.8 km ....

 bypass
Kisarazu Junction (木更津) Tokyo Bay Aqua-Line
Tokyo Bay Aqua-Line
The , also known as the Trans-Tokyo Bay Highway, is a bridge-tunnel combination across Tokyo Bay in Japan.It connects the city of Kawasaki in Kanagawa Prefecture with the city of Kisarazu in Chiba Prefecture, and forms part of National Route 409...

; Tateyama Expressway
Tateyama Expressway
The is a national expressway in Chiba Prefecture, Japan. It is owned and operated by East Nippon Expressway Company.-Naming:Tateyama refers to the city of the same name on the Bōsō Peninsula, a major city in the region...


External links

  • http://www.ktr.mlit.go.jp/honkyoku/road/3kanjo/kenoudo/index.htm
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