 The Cathcart circle was to be resignalled and electrified.The lines to Newton via Kirkhill, and to Neilston, were considered to be integral with the Cathcart circle lines, though steam trains to Ardrossan would continue, running non-stop to Neilston.On 6 March 1961 a new connection was provided at Cathcart enabling trains to run from the Maxwell Park line towards Kirkhill.