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The A3 motorway ((ルーマニア語、モルドバ語():Autostrada A3)) is a partially built (approx. 18%) motorway in Romania, planned to connect Bucharest with the Transylvania region and the north-western part of the country. It will be 584 km long and will run along the route: Ploiești, Brașov, Făgăraș, Sighișoara, Târgu Mureș, Cluj-Napoca, Zalău and Oradea, connecting with Hungary's M4 motorway near Borș.〔(【引用サイトリンク】url=http://economie.hotnews.ro/stiri-companii-9280598-autostrazile-din-romania-fost-conectate-cele-din-ungaria-hartie.htm )〕 As of July 2012, there are two separate segments in service totalizing 107 km: the Bucharest – Ploiești motorway (55 km) and the Câmpia Turzii – Gilău segment (52 km).〔(【引用サイトリンク】url=http://www.obiectivbr.ro/de-azi-romania-are-500-de-kilometri-de-autostrada-sau-deschis-a2-a3-si-a4_id70054 )〕 A short segment (6.5 km) between the Bucharest Ring Road and the Bucharest downtown remains under construction, while an 8.7 km segment between Gilău and Nădășelu (in the Cluj County) is under construction as of July 2015. ==Bucharest – Brașov section== This motorway section (also called the "Snow Motorway") will cross the Carpathian Mountains along the Prahova Valley (the Comarnic – Brașov segment is considered the most difficult section to be built). It will also provide access to the future Terminal 2 of the Henri Coandă Airport and to the future Bucharest – Chișinău motorway, via the Ploiești South-East/Dumbrava interchange. It was split into three segments: the Bucharest – Ploiești segment (62 km), the Ploiești – Comarnic segment (48.6 km) and the Comarnic – Brașov segment (58 km). Works on the Bucharest – Ploiești section started on 15 March 2007 and were due to be completed by October 2012.〔(【引用サイトリンク】url=http://www.finantistii.ro/transporturi-infrastructura/au-inceput-lucrarile-la-tronsonul-lipsa-din-autostrada-bucuresti-ploiesti-termen-de-finalizare-5-octombrie-2012-71838/ )〕 The first segment, from Bucharest to Moara Vlăsiei, is built as a six-lane set of carriageways to accommodate commuting and holiday surplus traffic. It is built by the Italian joint venture between Impressa Pizzarotti and Tirrena Scavi, while the second segment, from Moara Vlăsiei to Ploiești, was built by the Romanian companies Spedition UMB, Pa&Co Internațional and Euroconstruct '98. Total construction cost of this section was estimated at 450 million euro.〔(【引用サイトリンク】url=http://www.mediafax.ro/economic/deschiderea-autostrazii-bucuresti-ploiesti-amanata-din-nou-ministrul-transporturilor-siguranta-circulatiei-nu-ne-permite-sa-dam-drumul-traficului-9790736 )〕 The section between the Bucharest Ring Road and Ploiești (55.5 km) was opened on 19 July 2012, while the rest of the section towards downtown Bucharest remained to be completed.〔 The Bucharest – Bucharest Ring Road segment is part of the Bucharest – Moara Vlăsiei section and is currently under construction. It starts with a roundabout at the junction between the Fabrica de Glucoză and the Petricani Street (near ), crosses over the Balta Saulei Lake, intersects the Gherghiței Street with a second roundabout (near ), then continues northbound, crossing over the CFR Line 800, the Popasului Street (in Voluntari, where it has a diamond interchange near ) and the Bucharest Ring Road. On the Popasului Street (Voluntari) – Bucharest Ring Road segment (4 km) works have started in April 2012. On the Petricani Street (Bucharest) – Popasului Street (Voluntari) segment (2.5 km) works have not started yet because of remaining unfinished expropriations and should take at least one year and a half to complete.〔(【引用サイトリンク】url=http://www.finantistii.ro/transporturi-infrastructura/circulatie-deschisa-pe-autostrada-bucuresti-ploiesti-constructia-ultimului-sector-mai-dureaza-totusi-2-ani-73965 )〕 The Ploiești – Comarnic section has been in pre-feasibility phase and its profitability is being considered.〔(【引用サイトリンク】url=http://www.romanialibera.ro/actualitate/eveniment/se-relanseaza-proiectul-autostrazii-comarnic-brasov-254949.html )〕 It is complemented by a relatively settlement-free section of the parallel national road DN1. Works on the Comarnic – Brașov section, the most difficult segment of the motorway, were due to begin in 2010 and take around four years to complete,〔(【引用サイトリンク】url=http://english.hotnews.ro/stiri-archive-1751993-bucharest-brasov-highway-works-launched.htm )〕 but the French–Greek consortium Vinci–Aktor denounced the contract and construction was canceled.〔(【引用サイトリンク】url=http://www.adevarul.ro/locale/brasov/Ministerul_Transporturilor_va_-revizui-_in_martie_Autostrada_Brasov_-_Comarnic_0_652734820.html )〕 Total construction cost of this section was estimated at 1.2 billion euro.〔(【引用サイトリンク】url=http://stirileprotv.ro/stiri/social/autostrada-comarnic-brasov-scumpa-dar-spectaculoasa.html )〕 The segment was re-tendered as a concession contract in February 2013.〔(【引用サイトリンク】url=http://www.zf.ro/zf-news/regii-romani-ai-asfaltului-se-bat-cu-italienii-de-la-astaldi-si-austriecii-de-la-strabag-pentru-concesionarea-autostrazii-de-sud-a-capitalei-10613748 )〕 It has been awarded in December 2013 to the joint venture between Vinci, Strabag and Aktor,〔(【引用サイトリンク】url=http://adevarul.ro/economie/stiri-economice/autostrada-comarnic-brasov-concesiune-vinci-strabag-aktor-1_52b2e5aac7b855ff56da7c1f/index.html )〕 for a period of 29 years,〔 with an estimated construction cost of 1.8 billion euro.〔http://www.romanialibera.ro/actualitate/eveniment/ponta-autostrada-comarnic-brasov-va-costa-1-8-miliarde-de-euro-323120.html〕 This section of the motorway will have three twin tunnels, with a total length of 19.4 km, at Sinaia, Bușteni and Predeal,〔(【引用サイトリンク】url=http://adevarul.ro/locale/brasov/brasov-1_5292ed08c7b855ff56363e80/index.html )〕 and four interchanges, at Comarnic, Bușteni, Predeal and Râșnov.〔 The route will follow the river valley until Posada,〔http://www.vptv.ro/demareaza-proiectul-comarnic-brasov/〕 where it will cross on the opposite side of the river and will run along the mountain range until Sinaia, from where it will run nearly straight until Azuga, crossing through two twin tunnels that will bypass Sinaia and Bușteni, before crossing again to the eastern side of the river.〔http://www.observatorulph.ro/administratie/35649-cum-arata-noile-planuri-ale-autostrazii-comarnic-brasov-video〕 According to media reports, works were expected to begin in April 2014, but they are currently pending, due to financial arrangements and the environmental certificate.〔http://www.bzb.ro/stire/dilema-inceperii-lucrarilor-la-autostrada-comarnic-brasov-a75022〕 According to the same reports, they shall be finalized in 2017.〔http://www.romanialibera.ro/bani-afaceri/economie/cati-kilometri-de-autostrada-s-ar-fi-putut-construi-din-dobanzile-platite-pentru-comarnic-brasov-323199.html〕 As of 19 June 2015, the concession has been canceled.〔http://www.romania-actualitati.ro/autostrada_comarnic_brasov_la_al_treilea_esec-78047〕 As of 15 October 2015, two small segments (about 4 km and 6 km) at the end of the Ploiesti – Brasov section have been tendered.〔http://www.bzb.ro/stire/spaniolii-subliciteaza-autostrada-spre-brasov-a91309〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「A3 motorway (Romania)」の詳細全文を読む スポンサード リンク
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