comot ive ▁ ▁Ste am ▁locomot ive ▁ ▁Dies el ▁locomot ive ▁ ▁Electric ▁locomot ive ▁ ▁Railway ▁infrastr ucture ▁▁ ▁Railway ▁platform ▁ ▁P erman ent ▁way ▁▁ ▁A xe ▁t ies ▁▁ ▁Ba ulk ▁road ▁▁ ▁Bre ather ▁switch ▁▁ ▁Cant ▁▁ ▁C lip ▁and ▁sc ot ch ▁ ▁Daten ail ▁▁ ▁Fish plate ▁▁ ▁Lad der ▁track ▁▁ ▁Min imum ▁radius ▁▁ ▁P erman ent ▁way ▁( current ) ▁▁ ▁P erman ent ▁way ▁( history ) ▁▁ ▁Rail ▁fast ening ▁system ▁▁ ▁Rail head ▁ ▁Rail ▁profile ▁▁ ▁Rail road ▁tie ▁( s le eper ) ▁▁ ▁Track ▁ball ast ▁▁ ▁Track ▁transition ▁curve ▁ ▁Track work ▁and ▁track ▁structures ▁▁ ▁Bal lo on ▁loop ▁ ▁Classification ▁yard ▁▁ ▁Ga unt let ▁track ▁▁ ▁J unction ▁▁ ▁Over head ▁lines ▁▁ ▁Pass ing ▁loop ▁▁ ▁Rail ▁track ▁▁ ▁Rail ▁yard ▁▁ ▁Rail road ▁switch ▁▁ ▁Railway ▁elect r ification ▁system ▁▁ ▁Railway ▁tur nt able ▁▁ ▁S iding ▁▁ ▁Track ▁gauge ▁▁ ▁Track ▁pan ▁▁ ▁Tr am way ▁track ▁▁ ▁Water ▁c rane ▁▁ ▁W ye ▁ ▁Railway ▁track ▁layout s ▁ ▁Running ▁lines ▁ ▁Track ▁( Running ▁lines ) ▁ ▁Single ▁track ▁ ▁Pass ing ▁loop ▁ ▁Double ▁track ▁ ▁Qu ad ru ple ▁track ▁ ▁C ros so ver ▁ ▁Rail ▁sid ings ▁ ▁Rail ▁sid ings ▁ ▁Bal lo on ▁loop ▁ ▁Head sh unt ▁ ▁Rail ▁yard ▁ ▁Classification ▁yard ▁ ▁Rail ▁j unction s ▁ ▁Rail ▁j unction s ▁ ▁F lying ▁j unction