European route E87 is part of the United Nations international E-road network. It is an important north-south road on the coast of Black Sea, running from Odessa (Ukraine), Tulcea (Romania), Constanţa (Romania), Varna (Bulgaria) south through Burgas (Bulgaria) via Çanakkale to Antalya (Turkey).

Source: https://en.wikipedia.org/wiki/European_route_E87