The purpose of the action is to modernise the existing international V402 leadership in the area, which is an important transmission border element of the 400 kV network and to increase its transmission capability. Within the project will be exchange of phase conductors including distance three-spreads, replacement of insulating hinges and modification of mast structures. Modernisation of the V402 line with an overall length of 87.5 km will take place in the current route of the line (coridor) and thus the protection zone. a.