Highway M18 (Ukraine)  Highway M18 is a Ukrainian international highway (M-highway) connecting Kharkiv to the southern coast of Crimea in Yalta. The highway is also has an alternative route (M29) which runs parallel and designed as an expressway between Kharkiv and Novomoskovsk. The section from Novomoskovsk to Yalta is part of European route E105. The section from Kharkiv to Krasnohrad was previously P51. The section between Yalta and the border of Crimea belongs to Crimea which has been annexed by Russia in 2014. Russia does not use the designation M18. Main route and connections to/intersections with other highways in Ukraine.