"ref"=>"41","design"=>"three-level","technology"=>"UMTS","line_attachment"=>"suspension"
"ref"=>"50","design"=>"three-level","line_attachment"=>"anchor"
"design"=>"one-level","line_management"=>"branch","location:transition"=>"yes","ref"=>"45"
"design"=>"one-level","line_management"=>"branch","location:transition"=>"yes","ref"=>"60","tower"=>"switch"