Railway Safety Act 2005
Power to arrest by member of Garda Síochána.
121.—A member of the Garda Síochána may arrest a person without warrant where the member reasonably suspects that the person is committing or has committed an offence under—
( a) section 59(1) of the Transport Act 1950,
( b) section 25(1) of the Transport (Miscellaneous Provisions) Act 1971 , or
( c) this Part.