I.M.G. 0 Posted August 29, 2008 Within you will find two styles of road barrier, z bar & drum each of which is provided in both single & duel lane formats. Nothing else to say, these should be self explainitory, oh i suppose i should mention that if the control box on the drum barriers or the pivot point of the z bar barriers is shot, the barriers will open (this set dammage to 100%) closing any of these barriers will set their dammage back to zero. download here Share this post Link to post Share on other sites