This was the first tour to start from two centres, No.186 coming from Dublin and No.171 from Bangor on 24th September 1977. They met at Drogheda and the joint train visited Tara Mines and Kingscourt. (171) Bangor - Belfast Central - Drogheda; (186) Dublin Pearse - Drogheda; (171) Drogheda - Navan; (186 LE) Drogheda - Navan; (171+train+186) Navan - Tara Mine & return; (171 ECS) Navan - Drogheda & return; (186) Navan - Kingscourt & return; (171+186) Navan - Drogheda; (171) Drogheda - Belfast Central; (186) Drogheda - Dublin; (186 LE) Dublin Connolly - Mullingar. All photos are by Joe Cassells except where otherwise indicated.