He also played in Bradford Northern's 11–4 victory over Huddersfield in the 1949–50 Yorkshire Cup Final during the 1949–50 season at Headingley Rugby Stadium, Leeds on Saturday 29 October 1949.

Traill played loose forward in Bradford Northern's 6–13 defeat by Wigan in the Rugby Football League Championship Final during the 1951–52 season at Leeds Road, Huddersfield on Saturday 10 May 1952.

[10] That year he was the player-coach during Wakefield Trinity's 20–24 defeat by Leeds in the 1958–59 Yorkshire Cup Final during the 1958–59 season at Odsal Stadium, Bradford on Saturday 18 October 1958.

[11] He was coach in the 16–10 victory over Huddersfield in the 1960–61 Yorkshire Cup Final during the 1960–61 season at Headingley Rugby Stadium, Leeds on Saturday 29 October 1960.

He also coached Wakefield Trinity in the 19–9 victory over Leeds in the 1961–62 Yorkshire Cup Final during the 1961–62 season at Odsal Stadium, Bradford on Saturday 11 November 1961.

He was the coach in the 25–10 victory over Wigan in the 1962–63 Challenge Cup Final during the 1962–63 season at Wembley Stadium, London on Saturday 11 May 1963, in front of a crowd of 84,492.

Traill coached Wakefield Trinity to a 17–10 victory over Hull Kingston Rovers in the Championship final during the 1967–68 season at Headingley Rugby Stadium, Leeds on Saturday 4 May 1968.

[12] The following week, he was the coach in the 10–11 defeat by Leeds in the 1967–68 Challenge Cup "Watersplash" final at Wembley Stadium, London on Saturday 11 May 1968, in front of a crowd of 87,100.