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Olympia Odos

Ελληνικά

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From Wikipedia, the free encyclopedia

Olympia Odos is a toll motorway system on thePeloponnese inGreece. Starting fromEleusis in theAthens metropolitan area, the Olympia Odos motorways follow theGulf of Corinth to theRio–Antirrio bridge and the city ofPatras, and along theIonian Sea coastline, in future down to Tsakona (nearMeligalas) in the southwestern Peloponnese where it will intersect with theA7 motorway.

Olympia Odos consists of two motorways:

TheA8 (Athens – Patras), constructed in 1962–1973 asNational Road 8α. During the 1990s theElefsina –Corinth section was upgraded to motorway standards. The Corinth – Patras upgrade to motorway standards was completed in April 2017.^[1]
The southern part of theA5 (Patras – Pyrgos), which passes by the namesake ancient city ofOlympia. This motorway is currently under construction.

The 210 km (130 mi) motorway is atoll-road linkingAthens toPatras and, in the future, will extend a further 163 km toTsakona in the south-west of the Peloponnese.

History

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University of Patras with theRio–Antirrio bridge in the background

On 4 August 2008 apublic-private partnership deal came into effect with theGreek state conceding construction and 30 years of maintenance of theOlympia Odos motorway to the internationalOlympia Odos S.A. consortium. In return for the right to collecttolls, the consortium will invest a total of€2.8 billion for construction and modernization of the highway.^[2]

The upgrade of theA8 (Elefsina–Corinth–Rio) and the southern section of theA5 (Rio–Pyrgos–Tsakona) byOlympia Odos S.A. has been described as "the largest and most challenging project currently undertaken in Greece, and one of the most complex ones in Europe.".^[3] It also includes the construction of 19 km (12 mi) of tunnels and twenty interchanges.^[2]

Subsequently, 82 km (51 mi) preexistingdual carriageway of thePatras bypass and the National Road 8a section Elefsina–Corinth) were further upgraded to full motorway standards. 120 km (75 mi) of preexistingsingle carriageway in the Corinth – Patras section were doubled. 163 km (101 mi) of the southern A5 section (Patras–Pyrgos–Kalamata) will be newly constructed.^[2]

The project was expected to take six years to complete, with a completion date scheduled for the end of 2014. TheGreek government-debt crisis however led to considerable delays.^[4] The overall progress of the project in April 2017 was at 95%.^{[needs update]}