Ms. Collins was arrested at a protest in Parnell Road, Crumlin, South Dublin, last Monday.
It is understood she was one of 15 people arrested. The demonstrators were protesting against the installation of meters.
She was taken to Terenure Garda Station, and has since been released. A file will be prepared for the DPP.
According to a statement by Ms. Collins, she was demonstrating ‘peacefully.’