sentences:  As of 2017, it is yet unknown if the future Patras - Pyrgos motorway will be part of the A5 or the Olympia Odos motorway and its construction is currently being auctioned.The Ionia Odos motorway was one of the most challenging construction projects in Greece, as it spans a big part of Western Greece and because of its location on the foothills of the Pindus mountain range.After its completion in August 2017, it reduced travel times between Antirrio and Ioannina to 1 hour and 40 minutes, down from 3 hours and 30 minutes and will provide a boost to the economy of the regions it spans (Western Greece and Epirus).