Former TD Liz O'Donnell has been appointed as Chairperson Designate of the Road Safety Authority, replacing the outgoing Gay Byrne.

The appointment was announced by Minister for Transport, Tourism and Sport Paschal Donohoe, and is subject to Ms O'Donnell appearing before the Joint Oireachtas Committee on Transport and Communications.

Ms O'Donnell was elected to the Dáil as for the Progressive Democrats in 1992, and served as a TD for Dublin South until 2007.

She also served as Minister of State at the Department of Foreign Affairs from 1997 to 2002, as well as deputy leader of the party.

Since leaving politics she has worked in the media with the Irish Independent and as a public affairs consultant.

Mr Donohoe paid tribute to Mr Byrne who "brought great enthusiasm to the role" which he has held for eight years.

Mr Byrne announced he was to the step down from the position this summer, citing his 80th birthday as a reason for his decision.