0 ▁metres ▁ahead . ▁ ▁Track ▁ ▁In ▁ 1 9 9 3 , ▁a ▁test ▁section ▁of ▁sl ab ▁track ▁of ▁the ▁Z üb lin ▁type ▁was ▁installed ▁Between ▁W itten berg ▁and ▁Der gent hin ▁( 1 2 9 . 3 ▁to ▁ 1 3 5 . 4   km ). ▁In ▁ 1 9 9 4 , ▁a ▁modified ▁Rh eda ▁type ▁sl ab ▁track ▁was ▁installed . ▁Also ▁in ▁the ▁section ▁between ▁B red din ▁and ▁Gl ö wen ▁( 9 3 ▁to ▁about ▁ 1 0 1   km ) ▁sl ab ▁track ▁was ▁established . ▁ ▁Al ong ▁the ▁route ▁ 1 3 ▁hot ▁wheel ▁and ▁hot ▁box ▁detect ors ▁were ▁also ▁installed . ▁ ▁Platform ▁security ▁▁ ▁Since ▁trains ▁can ▁pass ▁station ▁platforms ▁at ▁spe eds ▁of ▁more ▁than ▁ 2 0 0   km / h , ▁for ▁the ▁first ▁time ▁in ▁Germany ▁passenger ▁safety ▁f ences ▁were ▁installed ▁along ▁ 3 3 ▁platform ▁edges ▁at ▁ 2 1 ▁stations . ▁Each ▁is ▁a ▁ ▁long ▁and ▁ ▁high ▁bar rier ▁with ▁a ▁ 1 . 2 ▁met re ▁wide ▁gate ▁that ▁opens ▁to ▁give ▁access ▁to ▁the ▁platform . ▁B iling ual ▁( G erman ▁and ▁English ) ▁signs ▁tell ▁passengers ▁to ▁leave ▁the ▁platform ▁edge . ▁On ▁the ▁opposite ▁side ▁of ▁the ▁f ence ▁passengers ▁are ▁war ned ▁not ▁to ▁enter ▁the ▁platform ▁before ▁a ▁train ▁has ▁passed ▁by ▁or ▁comes ▁to ▁a ▁halt . ▁ ▁S ources ▁ ▁Notes ▁ ▁References ▁