▁for ▁about ▁ 5 0 % ▁of ▁the ▁line , ▁with ▁the ▁balance ▁being ▁ 2 1   kg / m . ▁Ste el ▁sleep ers ▁have ▁been ▁installed ▁at ▁a ▁rate ▁of ▁ 1 ▁in ▁ 4 ▁to ▁ 1 ▁in ▁ 3 , ▁and ▁the ▁maximum ▁ax le ▁load ▁is ▁ 1 5 . 7 5 ▁t onnes . ▁ ▁The ▁maximum ▁grade ▁is ▁ 1 ▁in ▁ 5 0 ▁( 2 % ), ▁the ▁minimum ▁radius ▁curve ▁is ▁ 2 0 0 m , ▁and ▁the ▁line ▁speed ▁is ▁ 3 0   km / h . ▁ ▁A ▁major ▁coal ▁mine ▁is ▁proposed ▁at ▁W ando an , ▁with ▁coal ▁to ▁be ▁sh ipped ▁from ▁Glad stone ▁via ▁the ▁proposed ▁Sur at ▁Bas in ▁railway , ▁which ▁would ▁connect ▁to ▁the ▁Mou ra ▁Short ▁Line ▁south ▁of ▁the ▁town ▁of ▁Ban ana . ▁This ▁proposed ▁line ▁would ▁be ▁well ▁east ▁of ▁T aro om , ▁and ▁pass ▁close ▁to ▁the ▁former ▁gold ▁min ing ▁town ▁of ▁C rac ow . ▁ ▁An ▁existing ▁coal ▁mine , ▁C ame by ▁Down s , ▁is ▁situated ▁about ▁ 2 5   km ▁east ▁of ▁Mil es , ▁and ▁currently ▁rails ▁coal ▁to ▁Br is b ane ▁via ▁the ▁Western ▁line . ▁If ▁the ▁Sur at ▁Bas in ▁railway ▁is ▁built , ▁the ▁mine ▁has ▁appro val ▁to ▁upgrade ▁the ▁W ando an ▁line ▁to ▁the ▁same ▁standard ▁( i . e . ▁ 2 6 . 5 ▁t onne ▁ax le