This is a list of national primary roads, national secondary roads, regional roads, and officially designated scenic routes in County Mayo in Ireland.
National primary roads
- N5 road Longford â Westport, County Mayo
- N17 road Collooney, County Sligo â Charlestown, County Mayo â Galway
- N26 road Swinford â Ballina, County Mayo
National secondary roads
- N58 road Bellavary â Foxford, County Mayo
- N59 road Belladrehid, County Sligo â Westport, County Mayo â Galway
- N60 road Roscommon â Castlebar, County Mayo
- N83 road Tuam, County Galway â Ballyhaunis â Glentavraun, County Mayo
- N84 road Galway â Castlebar, County Mayo
Regional roads
- R293 road Ballynaboll, County Sligo â Ballaghaderreen, County Roscommon â Ballyhaunis, County Mayo
- R294 road Boyle, County Roscommon â Tobercurry, County Sligo â Ballina, County Mayo
- R297 road Dromore West, County Sligo â Dooyeaghvy, County Mayo
- R300 road Partry, County Mayo â An Fhairche, County Galway
- R310 road Castlebar â Rahans, County Mayo
- R311 road Castlebar â Newport, County Mayo
- R312 road Castlebar â Bellacorick, County Mayo
- R313 road Bangor â An Fod Dubh, County Mayo
- R314 road Béal an Mhuirthead â Ballycastle â Ballina, County Mayo
- R315 road Pontoon â Crossmolina â Ballycastle, County Mayo
- R316 road Bogadoon â Crossmolina, County Mayo
- R317 road Newport â Boggy, County Mayo
- R318 road Foxford â Pontoon, County Mayo
- R319 road Mallaranny â Keem, County Mayo
- R320 road Swinford â Claremorris, County Mayo
- R321 road Ballylahan â Bohola â Kiltimagh, County Mayo
- R322 road Kiltimagh â Kilkelly, County Mayo
- R323 road Kiltimagh â Knock â Ballyhaunis, County Mayo
- R324 road Balla â Kiltimagh, County Mayo
- R325 road Glentavraun, County Mayo â Cloonarragh, County Roscommon
- R327 road Cuilmore, County Mayo â Pollremon, County Galway
- R328 road Ballindine, County Mayo â Moylough, County Galway
- R329 road Knock, County Mayo (Part Old National Route 17)
- R330 road Westport â Partry, County Mayo
- R331 road Claremorris â Ballinrobe, County Mayo
- R332 road Moylough â Tuam, County Galway â Kilmaine, County Mayo
- R334 road Ballinrobe â Neale, County Mayo â Headford, County Galway
- R335 road Westport â Louisburgh â Leenane, County Mayo
- R345 road An Mám, County Galway â Neale, County Mayo
- R346 road Cong â Cross, County Mayo
- R373 road Breaffy â Castlebar, County Mayo
- R375 road Swinford â Kilkelly, County Mayo
- R376 road Lurga Upper â Knock Airport, County Mayo
- R378 road Louisburgh â Roonagh Pier, County Mayo
- R917 road Spencer Street, Castlebar, County Mayo
- R928 road Pearse Street, Ballina, County Mayo
- R929 road Main Street, Ballyhaunis, County Mayo
Designated scenic roads
Highly scenic vistas
- R310 south of Lough Conn and north of Lough Cullin (looking to both lakes)
- R313 from Blacksod Point to Fallmore Bay (looking towards Blacksod Bay)
- R314 at Céide Fields (looking towards the Atlantic Ocean)
- R315 from Cuilkillew to Pontoon (looking towards Lough Conn)
- R319 from Achill to Achill Sound (looking towards Achill Sound)
- R335 from west of Kilsallagh to Westport (looking towards both Croagh Patrick and Clew Bay)
- R335 from Cregganbaun to Delphi (looking towards the Sheeffry Hills and Doo Lough)
- Local road north of Pollatomish (looking towards Broad Haven)
- Local road west of Carrowmore Lake, from Barnatra to the R313 junction (looking towards Carrowmore Lake)
- Local road at Dooyork (looking towards Blacksod Bay)
- Local road from Owenmore Bridge to Doo Lough (looking towards the Sheeffry Hills and Owenduff Lake)
- Local road from the R312 junction north of Keenagh, running to the west of Furnace Lough, to Newport (looking towards the Beg Range, Lough Feeagh and Furnace Lough)
- Local roads west of Lough Mask from Tourmakeady to Maumtrasna and from Tream to Cappanacreha (looking towards both the Partry Mountains and Lough Mask)
- Local road north-east of Lough Carra, from Carnacon to north of Ballygarries (looking towards Lough Carra)
- Local roads north-west of Lough Mask, from Cordarragh to Tourmakeady and from Croaghrimbeg to Bohaun (looking towards the Partry Mountains)
Scenic routes
- N59 from Westport to the southern boundary with County Galway
- N59 from Bangor to east of Rosturk
- R294 from west of Bunnyconellan to the boundary with Co. Sligo
- R297 from Castleconor to Crockets Town
- R312 from Derreen to Beltra Lough (along the coast, west of the Beg Mountain Range)
- R313 from Bellmullet to Blacksod Point
- R314 from Belderrig to Bunatrahir Bay and from Glenamoy to Barnatra
- R315 from Lahardaun to Pontoon (west of Lough Conn)
- R319 from Mulrany to south of Bunacurry (northern part of Achill Island)
- R335 from Westport to Aasleagh
- L134 from Knockmore to north of Ross West (between Lough Conn and Lough Cullin)
- L141 from south of Bunacurry to Dooagh
- L141A around Lough Keel
- Local road around Corraun Peninsula
- Local road (i.e. "The Atlantic Drive") at Dooega Head (southern part of Achill Island), from the R319 through Dooega, Cloghmore and Derreen
- Local road from Maumtrasna to Srah (west of Lough Mask)
- Local road from Maumtrasna to Cong (south of Lough Mask)
- Local road from south of Pollatomish to Barnatra
- Local road to the west shores of Carrowmore Lake, from Barnatra to the R313 junction
- Local road from Geesala and around the peninsula
- Local road from Killsallagh to Owenmore Bridge
- Local road from Liscarney to Doo Lough
- Local road north-west of the Sheeffry Hills from Louisburgh to Kinnadooley and to Cregganbaun
- Local road from Beltra to the R315 junction at Lough Conn
- Local road from Killala to Moyne Abbey
- Local road east of Lough Conn, from Garrycloonagh to Brackwanshagh
- Local road west of Lough Conn, from the R312 junction north of Keenagh to Newport
- Local road from south of Swinford to Kilkelly
- Local road from Srahmore, running west of Furnace Lough, to Newport
- Local roads north-west of Lough Mask, from Cordarragh to Tourmakeady and from Croaghrimbeg to Bohaun
- Local road north of Achill Island, from Bunacurry to Doogort
References