It serves for covering of tram roads with gauge of 1,435 mm. The cover plate type A is intended for inside of railroad line, the cover plate type C is intended for laying between two or more railroad lines, the cover plates B and E are intended for laying outside of railroad line. They are suitable for all kinds of tram superstructures – combination of various sleepers, rails and fastenings. The cover plates D are intended for laying outside of railroad line and they serve as a drive-up curbstone in case of a raised body of tram roads. They are suitable for all kinds of tram superstructures – combination of various sleepers, rails and fastenings. The cover plates are designed for road load by motor-traffic according to ČSN 736114 and ČSN 730035, i.e. for axle load 110 kN.