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The route of the road is Helsinki – Vantaa – Porvoo – Loviisa – Kotka – Hamina – Vaalimaa (Russian border). With the section of motorway between Loviisa and Kotka opened to traffic in September 2014, the route from Helsinki to Hamina is now a continuous motorway. After completion of the motorway section bypassing the town of Hamina, due in late 2014, 155 km (96 mi) of the highway's total length of 193 km (120 mi) will be motorway. There is a plan to extend the motorway from its current endpoint in Lelu, Hamina to Vaalimaa by 2018, finalizing the motorway link between Helsinki and the Russian border; construction is due to begin in late 2015.
