▁for ▁London . ▁ ▁Pro vision ▁by ▁area ▁ ▁Dublin ▁ ▁The ▁Gre ater ▁Dublin ▁area ▁has ▁a ▁population ▁of ▁ 1 . 9 m ▁and ▁there ▁are ▁a ▁number ▁of ▁modes ▁of ▁public ▁transport ▁in ▁the ▁G DA ▁run ▁by ▁a ▁number ▁of ▁transport ▁operators , ▁most ▁of ▁them ▁state ▁or ▁quasi - state ▁entities . ▁ ▁Public ▁transport ▁in ▁Dublin ▁is ▁over seen ▁by ▁the ▁National ▁Transport ▁Author ity . ▁ ▁It ▁has ▁under g one ▁expansion ▁in ▁recent ▁years , ▁and ▁the ▁Irish ▁Government ▁plans ▁to ▁invest ▁heavily ▁in ▁the ▁system ▁under ▁the ▁Transport ▁ 2 1 ▁plan ▁which ▁means ▁that ▁approximately ▁ 2 0 ▁billion ▁euro ▁will ▁be ▁spent ▁on ▁developing ▁Gre ater ▁Dublin ' s ▁transport ▁infrastr ucture . ▁Dublin ' s ▁trans it ▁system ▁util ises ▁elect r ified ▁sub urban ▁trains , ▁dies el ▁comm uter ▁rail , ▁tr ams ▁and ▁an ▁extensive ▁bus ▁network ▁to ▁provide ▁service ▁to ▁the ▁population ▁of ▁the ▁Gre ater ▁Dublin ▁Area . ▁ ▁B uses ▁are ▁the ▁most ▁widely ▁used ▁form ▁of ▁public ▁transport ▁in ▁Dublin . ▁They ▁are ▁pre domin ately ▁operated ▁by ▁Dublin ▁Bus ▁and ▁also ▁a ▁private ▁operator ▁Go - A head ▁Ireland , ▁part ▁of ▁the ▁UK ▁based ▁Go - A head ▁Group . ▁The ▁bus ▁network ▁consists ▁of ▁ 2 0 0 ▁bus ▁routes ▁covering ▁the ▁Dublin ▁Region . ▁The ▁Bus ▁Ar rival ▁Information ▁Service ▁is ▁being ▁rolled ▁out ▁across ▁Dublin , ▁and ▁provides ▁real ▁time ▁estimates ▁of ▁bus ▁arrival s ▁at ▁each ▁stop ,