The Labour Party recovered the position they had been in prior to the 1967 election, gaining three seats from the Conservatives.
Bill Herbert, who won in the Central ward, was chairman of the Cardiff United Residents Association and a leading campaigner against the new road.
[1] The most prominent casualty of the election was Councillor Mary Hallinan, the Lady Mayoress, who lost her seat in the Central ward.
[3] The morning after the election, the Lord Mayor of Cardiff, Alderman Lincoln Hallinan, broke an 18 year tradition when he refused to welcome the three newly elected (Labour) councillors, Herbert, Matthewson and Edwards, in his parlour.
[4] Despite winning their first seat on the council in 1969, and fielding a large number of candidates at the 1970 election, Plaid Cymru performed poorly, though managed to come second in Llandaff.