Survey of overhead obstacles for the following routes: Red bridge/ Azerbaijan border crossing to Tbilisi transit route, Tbilisi transit route and Tbilisi transit route to Rustavi receiving yard to PSG1, Rustavi receiving yard to Marneuli to Tetritskaro to PSG2, PSG2 to Tsalka via all-weather access track, Khashuri to Borjomi to Akhaltsikhe to Vale to Turkish border Crossing and Borjomi to Bakuriani to Tsikhisjvari.