▁fis cal ▁year , ▁My an mar ▁Rail ways ▁carried ▁about ▁ 6 0 ▁million ▁passengers ▁ ▁( 3 5 ▁million ▁in ▁the ▁circular ▁railway ▁and ▁ 2 5 ▁million ▁inter - city ▁travel ers ) ▁and ▁ 2 . 5 ▁million ▁metric ▁tons ▁of ▁fre ight . ▁Its ▁rolling ▁stock ▁consisted ▁of ▁ 3 8 4 ▁locomot ives , ▁ 1 , 6 0 0 ▁passenger ▁rail c ars , ▁and ▁ 3 , 6 0 0 ▁fre ight ▁w ag ons . ▁ ▁The ▁network ▁has ▁stead ily ▁increased ▁in ▁size ▁over ▁the ▁last ▁two ▁dec ades , ▁from ▁nearly ▁ ▁in ▁ 1 9 8 8 ▁to ▁ ▁in ▁ 2 0 1 0 . ▁My an mar ▁Rail ways ▁is ▁currently ▁undert aking ▁an ▁am bit ious ▁expansion ▁program ▁that ▁will ▁add ▁another ▁ ▁to ▁its ▁network , ▁making ▁it ▁spread ▁in ▁to ▁ ▁including ▁extensions ▁to ▁My e ik ▁in ▁the ▁south , ▁K ya ingt ong ▁in ▁the ▁east , ▁S itt we ▁in ▁the ▁west . ▁ ▁History ▁ ▁Rail ▁transport ▁was ▁first ▁introduced ▁in ▁My an mar ▁in ▁May ▁ 1 8 7 7 ▁with ▁the ▁opening ▁of ▁the ▁ ▁Yang on ▁to ▁P rome ▁line ▁by ▁The ▁Ir raw addy ▁Valley ▁State ▁Railway ▁when ▁Lower ▁Bur ma ▁was ▁a ▁British ▁col ony . ▁Un us ually ▁for ▁a ▁British ▁colonial ▁railway , ▁it ▁was ▁built ▁to ▁. ▁Sub sequ ent ▁development ▁was ▁to ▁the ▁same ▁gauge , ▁though ▁the ▁ ▁Bur ma ▁M ines