Ayns Divlyn, ta daa voggyl raaidey yiarn kiarail arraghey 'syn ard-valley as ayns yn ard ta cruinnlaghey yn ard-valley. Ta'n Dublin Area Rapid Transit ny yn DART (""Arraghey Tappee Ard Ghivlyn"") kiangley çheshvean yn ard-valley rish ny fo-valjyn slystagh. Hoshee corys raaidey yiarn eddrym, y Luas (""Leahys""), gobbraghey ayns 2004 as t'eh gymmyrkey troailtee dys ny fo-valjyn meanagh as heear. Ta shiartanse dy linnaghyn Luas plannit myrane lesh raad yiarn fo-halloo. Ta'n DART stiruit ec Iarnród Éireann as ta'n Luas stiurit ec Veolia fo kiartys dellal veih'n Railway Procurement Agency (""Bing Feddyn Streebee Raaidey Yiarn""). Fo conaantyn plan y reiltys Yernagh, Transport 21, va'n raad yiarn eddyr Corkee as Mainistir na Corann aa-oshlit ayns 2009. Ta aa-oshley yn raad yiarn yn Ooive–Cluain Saileach as Bollagh Raad Yiarn Sheear coontit mastey obbraghyn ry-heet jeh'n phlan cheddin.