Transport Infrastructure Ireland (Junctions)
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This is a list of junctions maintained by Transport Infrastructure Ireland.
| Name | Location | Roads | Type |
|---|---|---|---|
| Strokestown Roundabout | Strokestown | N4, R368 | Roundabout |
| Carrigatogher Interchange | Nenagh | M7, N52, R445 | dumbbell |
| Nenagh Interchange | Knockalton Upper | M7, R498 | Modified dumbbell |
| Grannagh Junction | Grannagh | N9, N25, R861 | Roundabout interchange |
| Athenry Interchange | Newford | M6, R348 | Dumbbell |
| Cloghanboy Junction | Cloghanboy | N6, N55 | Modified diamond |
| Tullamore Interchange | Kilbeggan South | M6, N52, R389 | Dumbbell |
| Rathmorrissy Interchange | Caraunduff / Rathmorrissy | M6, M17, M18 | 3-level roundabout interchange |
| Garrankesh Junction | Garrankesh | M6, R916 | Diamond |
| Kinnegad West Interchange (M4) | Kinnegad | M4, R446 | Half diamond |
| Maynooth Interchange | Dowdstown / Moneycooly | M4, R406 | Modified diamond |
| Kildare Interchange | Greyabbey | M7, R415 | Dumbbell |
| Great Connell Interchange | Newbridge | M7, M9 | Fork |
| Kinnegad West Interchange (M6) | Kinnegad | M6, R446 | Diamond |
| Celbridge Interchange | Castletown / Kilmacredock Upper | M4, R449 | Roundabout interchange |
| Newport Interchange | Annacotty | M7, R445, R503, L1106 | Modified Roundabout Interchange |
| Killcullen Junction | Knockbounce | M9, R448 | Diamond |
| Moate West Interchange | Seeoge | M6, R446 | Dumbbell |
| Staghall Roundabout | Kilconny | N3, N87, R197 | Roundabout |
| Belladrihid Interchange | Ballysadare | N4, N59, R292 | Unique |
| Rochfortbridge Interchange | Farthingstown | M6, R400 | Dumbbell |
| Collooney Roundabout | Collooney | N4, R290 | Roundabout |
| Coolagh Roundabout | Doughiska | N6, R446 | Roundabout |
| Togher Interchange | Togher | M7, N77 | Roundabout interchange |
| Glennascaul Interchange | Glennascaul | M6, N6, R381 | Dumbbell |
| Corlat Roundabout | Corlat | N2, R937 | Roundabout |
| Mayfield Interchange | Mayfield | M7, R445 | Dumbbell |
| Annahagh Roundabout | Annahagh | N2 | Roundabout |
| Kilrush Roundabout | Dungarvan | N25, R672 | roundabout |
| Poulavone Roundabout | Carrigrohane | N22, R608 | Roundabout |
| Cratloe Interchange | Laghile / Portdrine | N18, R462 | Folded diamond |
| Ballydawmore Junction | Ballinabarna | M11, N30 (N80), (R744) | Roundabout |
| Ballybrittas Interchange | Cappakeel | M7, R422 | Dumbbell |
| Shandon Roundabout | Shandon | N25 | Roundabout |
| M4 (Republic of Ireland) J11 | Kinnegad | M4, M6 | Fork |
| Tomnafunshoge Junction | Tomnafunshoge | M11, R744 | not yet built |
| Bandon Road Roundabout | Ardarostig / Ballinaspig More | N40, N71, R849 | Roundabout |
| Athlone East Interchange | Creggan Lower | M6, N6, N62 | Dumbbell |
| Sherlocksbush Roundabout | Sherlocksbush | M11, N11, R772 | Roundabout |
| Carrick Road Roundabout | Ballyduff East | N25, R680 | Roundabout |
| Duck Street | Sligo | N4, N15, N16, R291 | Signalised Junction |
| Clashlehane Roundabout | Ratass | R875 | Roundabout |
| Coolagh Road Roundabout | Abbeyside | N25, R911 | Roundabout |
| Roscommon Road Junction | Bogganfin | N6, N61 | Partial cloverleaf |
| Strandside Roundabout | Abbeyside | N25 | Roundabout |
| Kinnegad East Interchange | Kinnegad | M4, R401 | Half dumbbell |
| Tulla Road Junction | Knockanean | M18, R352 | LILO + roundabouts |
| Kilmore Roundabout | Kilmore | M17, N17, N83, R939 | Roundabout |
| Leixlip Interchange | Cooldranagh / Lucan Demesne | M4, N4, R148, R403 | Modified diamond |
| Gort Junction | Gort | M18, R380, R458 | Roundabout |
| Kill Interchange | Kilhill / Kill East | N7 | Dumbbell |
| Cratloemoyle Roundabout | Cratloemoyle | N18, R445 | Fork + roundabout |
| Togher Junction | Freagh and Vicarsacre / Lehenagh Beg | N40 | Modified dumbbell |
| Kiltiernan Junction | Kiltiernan East | M18, R458 | Folded dumbbell |
| Fairlane Roundabout | Shandon | N25 | Roundabout |
| Moate East Interchange | Moyally | M6, R420 | Dumbbell |
| Killow Junction | Kilbreckan | M18, N85 | Dumbbell |
| Dromoland Junction | Latoon South | M18, R458 | Dumbbell |
| Sarsfield Road Roundabout | Doughcloyne | N40, R641 | Roundabout interchange |
| Kinsale Road Interchange | Curraghconway | N27, N40 | Roundabout interchange |
| Bloomfield Interchange | Monfieldstown | N28, N40 | Trumpet |
| Annagh Hill Interchange | Annagh Hill | M17, N63, R354 | Dumbbell |
| Mahon Junction | Ballinure | N40, R852 | Diamond |
| Crusheen Junction | Caheraphuca | M18, R458 | LILO |
| Osberstown Interchange | Osberstown | M7, R407 | Dumbbell |
| Tipperary Road Roundabout (Cashel) | Farranamanagh / Horeabbey | N74, R932 | Roundabout |
| Blakestown Cross | Blakestown / Hunterstown | N2, R165 | Crossroads |
| McGruder's Cross Roads | Johnstown | N2, L1600 | crossroads |
| Mountpotter Roundabout | Tuam | N17, N83 | Roundabout |
| Red Cow Interchange | Redcow | M50, N7, R110 | Unique |
| Ashfield Cross Roundabout | Ballybrennan Big | N25, R740 | Roundabout |
| Airport Road Roundabout | Lehenagh More | N27, R600 | Roundabout |
| Airport Roundabout (Dublin) | Cloghran | M1, R132 | Roundabout |
| Arklow North Junction | Templerainy | M11, R772 | Dumbbell |
| Arklow South Junction | Cooladangan / Kish | M11, R772 | Dumbbell |
| Ashbourne Interchange (County Meath) | Baltrasna / Fleenstown Little | M2, R125, R135 | Trumpet and roundabout |
| Athboy Road Interchange | Boyerstown | M3, N51 | Dumbbell |
| Attyflin Junction | Attyflin / Ballybronoge South | M20, N20, N21, R526 | Unique |
| Balbriggan Interchange | Newtown | M1, R122 | Dumbbell |
| Ballinasloe East Interchange | Ardcarn | M6, R357 | Dumbbell |
| Ballinasloe West Interchange | Mackney | M6, R355, R446 | Dumbbell |
| Ballinteer Interchange | Balally / Kingston | M50, R113, R826 | Dumbbell |
| Ballycasey Interchange | Ballycasey More | N18, R471 | LILO + roundabout |
| Ballycuddahy Interchange | Ballycuddahy | M7, M8 | Fork |
| Ballydowd Interchange | Ballydowd | N4, R136 | Modified diamond |
| Ballyglass Roundabout | Ballyglass East | N5, N17 | Roundabout |
| Ballymascanlan Interchange | Faughart Lower | M1, N1, R132, R173 | Modified dumbbell |
| Ballymount Interchange | Kilnamanagh | M50, R838 | Diamond |
| Ballynabarny Junction | Ballynabarny | M11, R772 | Modified dumbbell |
| Ballysimon Interchange | Castletroy | M7, N24, R527 | Diamond |
| Barefield Junction | Barefield | M18, R458 | LILO |
| Beehive Junction | Coolbeg | M11, R751, R772 | Dumbbell |
| Birdhill Interchange | Lackenavea (Dunalley) | M7, R494 | Dumbbell |
| Blanchardstown Interchange | Castleknock | M50, N3, R147, R806 | Unique |
| Blundelstown Interchange | Blundelstown | M3, R147 | Dumbbell |
| Bohernatounish Road Roundabout | Kilkenny | N10, N77 | Roundabout |
| Bracklagh Roundabout | Ballyglass East | N5, N17 | Roundabout |
| Browne Roundabout | Newcastle | N6, N59, R338 | Roundabout |
| Bunratty Interchange | Bunratty West | N18 | Modified 6-ramp parclo |
| Cahir North Interchange | Cloghabreedy | M8, N24 | Dumbbell |
| Cahir Road Roundabout | Ballingarrane | N24, R707 | Roundabout |
| Cahir South Interchange | Poulaculleare | M8, R639 | Dumbbell |
| Caltragh Interchange | Caltragh | N4 | Dumbbell |
| Carrigeen Roundabout | Burgagery-lands East | N24 | Roundabout |
| Carrickmacross Road Roundabout | Glebe | N2, N33, R171 | Roundabout |
| Carrickmines Interchange | Carrickmines Great | M50, R842 | Modified dumbbell |
| Carrigane Junction | Carrigane | M8, N73 | Dumbbell |
| Carrowkeel Interchange | Carrowkeel | M6, N65 | Dumbbell |
| Carrowmoneash Roundabout | Carrowmoneash | N67, R381 | Roundabout |
| Carrowroe Roundabout | Carrowroe | N4, R287 | Fork + roundabout + half diamond |
| Cashel North Interchange | Ballyknock | M8, R639 | Dumbbell |
| Cashel Road Roundabout | Burgagery-lands West | N24, R688 | Roundabout |
| Cashel South Interchange | Owen's and Bigg's-lot | M8, N74, R639 | Dumbbell + roundabout |
| Castleblayney Road Interchange | Newtownbalregan | M1, N53, R934 | Dumbbell |
| Charleville Interchange | Charleville | M1, N33 | Roundabout junction |
| Charlotte Brooke Roundabout | Aghadegnan | N4, N5 | Roundabout |
| Cherryhound Interchange | Cherryhound | M2, N2 | Roundabout interchange |
| City Junction | St Thomas's | M50, R131 | Diamond + T-junction |
| Clogh Roundabout | Ballinaclay | R772, (M11) | Roundabout |
| Cloghran Interchange | Cloghran | M1 | Modified roundabout |
| Clonee Interchange | Damastown / Loughsallagh | M3, N3, R149, R156 | 2 x half-diamond |
| Clonsilla Interchange | Coolmine | N3, R121 | Modified dumbbell |
| Coolock Interchange | Santry | M50, R132, R104 | Fork + roundabout |
| Coolshannagh Roundabout | Coolshannagh | N2, N12, N54 | Roundabout |
| Coonagh West Interchange | Coonagh West | N18, R527 | Half trumpet |
| Corrin Interchange | Ballyoran / Corrin | M8, R639 | Dumbbell |
| Cullenmore Junction | Rathmoew | M11, N11, R772 | Dumbbell |
| Curraheen Interchange | Ballinaspig More | N40 | 3/4 dumbbell |
| Danesfort Junction | Danesfort | M9, N10, R713 | Dumbbell |
| Delgany Interchange | Bellevue Demesne / Drummin East | N11, R762 | Modified LILO |
| Dock Road Interchange | Ballykeeffe | N18, N69, R510 | Dumbbell |
| Dooradoyle Junction | Dooradoyle | M20, R926 | Dumbbell |
| Douglas East Junction | Ballincurrig | N40, R610, R853 | Off-slip |
| Douglas West Junction | Douglas | N40, R851 | Half-diamond |
| Drinan Interchange | Drinan | M1, R125 | Fork |
| Drogheda North Interchange | Drogheda | M1, N51, R168 | Roundabout |
| Drogheda South Interchange | Drogheda | M1, R152, L1601 | Half diamond + 3/4 Diamond |
| Drumleck Interchange | Drumleck | M1, R166 | Diamond |
| Duncannon Road Roundabout | Clonard Great | N25, R733 | Roundabout |
| Dundalk Road Roundabout | Cappocksgreen | N33, N52 | Roundabout |
| Dunkettle Interchange | Dunkettle | N8, N25, N40 | Roundabout interchange |
| Dunshaughlin Interchange | Knocks | M3, R125 | Dumbbell |
| Enfield Interchange | Newcastle | M4, R402 | Dumbbell |
| Enniskerry Junction | Kilcroney | N11, R117 | LILO |
| Feede Cross Interchange | Feede | N1, R132, R174 | Half diamond |
| Ferryhouse Roundabout | Twomilebridge | N24 | Roundabout |
| Fethard Interchange | Waller's-lot | M8, R688, R692 | Modified dumbbell |
| Fethard Road Roundabout (Clonmel) | Burgagery-lands West | N24, R689 | Roundabout |
| Finglas Interchange | Balseskin / Kildonan | M50, N2, R135 | Unique |
| Flurrybridge Interchange | Carrickcarnan / Drumad | N1, R132, C220 | 3/4 diamond |
| Glounthaune Junction | Kilcoolishal | N8, N25, N40 | Dumbbell |
| Gorey North Junction | Ballydermot / Toberduff | M11, R772 | Dumbbell |
| Gormanston Interchange | Gormanston | M1, R132 | Dumbbell |
| Hammondstown Interchange | Dunleer | M1, R169 | Diamond |
| Horse and Jockey Junction | Kilnoe | M8, N62 | Dumbbell |
| Jack White's Cross | Ballynapark | M11, R772, R773 | Dumbbell |
| John Cronin Roundabout | Ballymacthomas | N21 | Roundabout |
| Jordanstown Junction | Jordanstown | M9, R912 | Dumbbell |
| Kells Interchange | Calliaghstown / Newrath Little | M3, N3, N52, R941 | Double roundabout |
| Kilcarn Interchange | Kennastown | M3, R147 | Trumpet |
| Kilcock Interchange | Pitchfordstown | M4, R148, R407 | Roundabout interchange |
| Killarney Road Junction | Wingfield | N11, R767, R768 | Modified dumbbell |
| Killoughter Junction | Ballyhenry / Rathmore | M11, R772 | Modified half dumbbell |
| Killydonoghoe Interchange | Killydonoghoe | M8, R639 | Modified dumbbell |
| Kilmainham Junction | Cookstown Great | M3, N3 | Trumpet |
| Kilpedder Interchange | Bromley / Drummin East | N11, R774 | Modified dumbbell |
| Kirwan Roundabout | Ballinfoile | N6, N84 | Roundabout |
| Knocktopher Junction | Knocktopher | M9, R699 | Dumbbell |
| Laughanstown Interchange | Laughanstown | M50, R118 | Diamond |
| Leo Casey Roundabout | Lisnamuck | N4, N63, R194 | Roundabout |
| Liffey Valley Interchange | Fonthill /Irishtown | N4, R113 | Modified dumbbell |
| Lissenhall Junction | Lissenhall Great / Lissenhall Little | M1, R126, R132 | Modified dumbbell |
| Little Island Interchange | Courtstown | N25, R623 | Partially-folded diamond |
| Loughlinstown Roundabout | Shanganagh | M11, N11, R837 | Roundabout |
| Luffany Roundabout | Rathpatrick | N25, N29 | Roundabout |
| M50 (Republic of Ireland) J17 | Shankill | M11, M50 | Fork Junction |
| Martin Roundabout | Doughiska | R446, R921 | Roundabout |
| McNead's Bridge Junction | Heathstown | M4, R148 | LILO |
| Merchant's Quay | Cork | N8, N20, N22 | Signalised crossroads |
| Mitchelstown South Interchange | Gortnahown | M8, R639 | Dumbbell |
| Moangarrif Roundabout | Kilgainy Lower / Moangarrif | N24, R707 | Roundabout |
| Monaloe Corner | Cornelscourt | N11, R827 | Signalized crossroads |
| Monasterboice Interchange | Newtown Monasterboice | M1, R132 | Unique |
| Moorepark Interchange | Moorepark West | M8, R639 | Dumbbell |
| Mullamast Junction | Mullamast | M9, N78, R747 | Dumbbell |
| Mullinavat Junction | Garrandarragh | M9, R704 | Dumbbell |
| N11 Junction 8 | Kilmacanoge South | N11, R755 | Roundabout interchange + LILO |
| N3 J2 | Blanchardstown | N3, R843 | half diamond |
| New Ross Road Roundabout | Ballindinas / Newtown | N11, N25, R769 | Roundabout |
| Newbridge Interchange | Curragh | M7, R413, R445 | Dumbbell |
| Newcastle Road Interchange | Lucan | N4, R120 | Diamond |
| Newhall Interchange | Newhall | M7, R445 | Modified dumbbell |
| Newmarket on Fergus Junction | Carrigoran / Knocksaggart | M18, R472 | Dumbbell |
| Oranbeg Roundabout | Oranbeg | N67, R338, R446 | Roundabout |
| Ovens Interchange | Barnagore | N22, R608 | Dumbbell |
| Pace Interchange | Pace | M3, R147, R157 | Roundabout interchange |
| Palmerstown Interchange | Palmerston Upper | M50, N4, R148 | Double trumpet |
| Park Road Roundabout (Killarney) | Ballycasheen / Park | N22, R876 | Roundabout |
| Patrickswell Junction | Patrickswell | M20 | Dumbbell |
| Poulavone Interchange | Curraheen | N22 / N40 | Dumbbell |
| Powerstown Junction | Cloghristick | M9, R448 | Dumbbell |
| Prumpelstown Junction | Prumpelstown Lower | M9, R448 | Dumbbell |
| Quarry Roundabout | Grannagh | M9, N9, N24 | Roundabout |
| Raheen Junction | Raheen | M20, R510 | Trumpet + roundabout |
| Raheenagurren Junction | Raheenagurren West | M11, R732 | Dumbbell |
| Rath Roundabout | Ashbourne | M2, N2, R135 | Roundabout |
| Rathcormac South Interchange | Curraghprevin | M8, R639 | Half dumbbell |
| Rathcrogue Junction | Rathcrogue | M9, N80 | Dumbbell |
| Rathdowney Interchange | Oldglass | M8, R433 | Dumbbell |
| Rathgarvan Junction | Rathgarvan | M9, N10 | Trumpet |
| Rathnew Junction | Rossana Lower | M11, R772 | Dumbbell |
| Red Cow Roundabout | Aghadegnan | N4, R198 | Roundabout |
| Rossbrien Interchange | Rossbrien | M7, M20, N18 | Unique |
| Rosslare Road Roundabout | Blackhorse | N25, R730 | Roundabout |
| Rowans Road Interchange | Rowans Little | M1 | Dumbbell |
| Sandyford Interchange | Murphystown | M50, N31, R113, R133 | Roundabout + secondary roundabout |
| Scholarstown Interchange | Scholarstown | M50, R113 | Diamond |
| Shannon Airport Junction | Smithstown | M18, N18, N19, R458 | Roundabout interchange |
| Shannon Roundabout | Carrick-on-Shannon | N4, R280 | Roundabout |
| Southern Link Interchange | Gibstown / Haynestown | M1, N52 | Roundabout interchange |
| Summerhill Roundabout | Magheraboy | N4 | Roundabout |
| Tallaght Interchange | Templeogue / Tymon North | M50, N81 | Roundabout interchange |
| The Downs Junction | Newdown | N4, R156 | Dumbbell |
| The Octagon, Westport | Westport | R309, N59 | Gyratory |
| Tipperary Road Roundabout (Cahir) | Ballydrehid | N24, R639, R640 | Roundabout |
| Turnapin Interchange | Clonshagh / Turnapin Little | M1, M50, R139 | Roundabout interchange + directional T |
| Twomileborris Junction | Twomileborris | M8, N75 | Half dumbbell |
| Urlingford Junction | Islands | M8, R693 | Dumbbell |
| Watergrasshill Interchange | Mitchellsfort | M8, R639 | Modified dumbbell |
| Western Link Interchange | Knockhouse | N25, R710 | Dumbbell |
| Whites Cross | Galloping Green / Newpark | N11, R113 | Signalised crossroads |
| Wilford Interchange | Old Connaught | M11, R119, R761 | Modified directional T |
| Youghal Road Roundabout | Clogherane / Curraheen Commons | N25, R911 | Roundabout |
| N6 Junction 11 | Athlone | N6 | Diamond |
| Borris-in-Ossory Interchange | Derrinsallagh | M7, R435 | Dumbbell |
| Port Laoise West Interchange | Clonboyne | M7, R445 | Dumbbell |
| Mullingar West Junction | Robinstown | N4, R394 | Diamond |
| Kingswood Interchange (County Dublin) | Corkagh / Kingswood | N7, R136 | Dumbbell |
| Greenfield Junction | Greenfield | N22 | Dumbbell |
| Ballymun Interchange | Ballymun | M50, R108 | Roundabout interchange |
| Six-mile-bridge Junction | Clonmoney | N18, R471 | 3-ramp parclo |
| Major's Hollow Roundabout | Faughart Lower | N1, R132 | Roundabout |
| Maudlings Interchange | Maudlings | M7, N7, R445 | Trumpet hybrid |
| Port Laoise East Interchange | Ballydavis | M7, R445 | Dumbbell |
| Monksland Junction | Monksland | M6, N6, R362, R446 | Partial cloverleaf |
| Toberbride Roundabout | Collooney / Toberbride | N4, N17 | Roundabout |
| Scarawalsh Roundabout | Ballynahallin | N30, N80, R772 | Roundabout |
| Fennor Cross Roads | Fennor | N2, L16002 | Staggered Crossroads |
| Tyrrellspass Interchange | Rathgarrett | M6, N52 | Dumbbell |
| Bridge End Roundabout (County Donegal) | Carrowreagh | N13, R238 | Roundabout |
| Shannonpark Roundabout | Shannonpark | N28, R611 | Roundabout |
| Lynch Junction | Doughiska | N6, R339 | Signalized crossroads |
| Morris Junction | Ballybaan Beg / Ballybaan More | N6, R865 | Signalized crossroads |
| Bodkin Junction | Townparks | N6, R338, R866 | Signalized crossroads |
| Dodsboro Interchange | Dodsboro / Lucan Demesne | N4, R835 | LILO + Quarter diamond |
| Fassaroe Junction | Fassaroe | M11, N11, R918 | Modified dumbbell |
| Font Junction | Ballybaan Beg / Glenanail | N6, N83, R336 | Signalized crossroads |
| Mooremount Interchange | Mooremount | M1, R170, R211 | Half dumbbell |
| Frankfort Junction | Ballinaclay | M11, R772 | Dumbbell |
| Rathcoole Interchange | Rathcoole | N7, R120, L2002, L2004 | Modified dumbbell |
| Dublin Road Roundabout (Roscrea) | Benamore | N62, R445 | Roundabout |
| Toomevara Interchange | Clashnevin | M7, R445 | Diamond |
| Templemore Road Roundabout | Parkmore | N62, R445 | Roundabout |
| Steelstown Interchange | Bustyhill / Steelstown | N7 | Dumbbell |
| Moneygall Junction | Drumbaun / Greenhills | M7, R445 | LILO |
| Citywest Interchange | Brownsbarn | N7 | Folded dumbbell |
| Castlewarden Interchange | Kilwarden | N7 | dumbbell |
| Newlands Cross | Clondalkin / Newlands | N7, R113 | Diamond |
| Oatencake Interchange | Midleton | N25 | Trumpet |
| Barryscourt Interchange | Carrigtwohill | N25 | Modified dumbbell |
| Lake View Roundabout | Midleton | N25, R630 | Roundabout |
| The Old Pike Roundabout | Newcastle West | N21, R522 | Roundabout |
| Rincrew Roundabout | Rincrew | N25, R634 | Roundabout |
| Dunkettle Roundabout | Glanmire | N8, R639 | Roundabout |
| Ballydowney Roundabout | Ballydowney | N71, N72 | Roundabout |
| Ballyvergan Junction | Ballyvergan | N25, R634 | Fork |
| Cleeney Roundabout | Killarney | N22, N72, R876 | Roundabout |
| Ballyheedy Roundabout | Ballyheedy | N71, R589, R607 | Roundabout |
| Tullaghan Roundabout | Bundoran | N15, R267 | Roundabout |
| Drumacrin Roundabout | Bundoran | N15, R267 | Roundabout |
| Goldsmith Roundabout | Edgeworthstown | N4, N55 | Roundabout |
| Maria Edgeworth Roundabout | Edgeworthstown | N4, N55 | Roundabout |
| Knockannagore Roundabout | Knockannagore | N21, N23, R577 | Roundabout |
| Cahereen West Roundabout | Cahereen West | N23 | Roundabout |
| Dooneen Roundabout | Dooneen | N21 | Roundabout |
| Leith Roundabout | Lissatanvally, Tralee | N69, R878 | Roundabout |
| Lurriga Roundabout | Lurriga | N71, R595 | Roundabout |
| Annabella Roundabout | Mallow | N20, N72 | Roundabout |
| Belleek Road Roundabout | Tully | N3, N15 | Roundabout |
| Tully Interchange | Tully / Ballyshannon | N3, N15, R936 | Trumpet with 2 roundabouts |
| Mart Road Roundabout | Townparks, Ballyshannon | N15 | Roundabout |
| Trostan Interchange | Carrickmacross | N2 | Trumpet |
| Erne Roundabout | Ballyshannon | N15, R231, R267 | Roundabout |
| Dromavally Roundabout | Dromavally | N70, N72 | Roundabout |
| Bennettsbridge Road Roundabout | Archersgrove | N10, R700 | Roundabout |
| Glenmore Roundabout | Glenmore | N25, R723 | Roundabout |
| Ballymacar Roundabout | Ballymacar | N25, N30, R723 | Roundabout |
| Castlecomer Road Roundabout | Glendine | N77, R712 | Roundabout |
| Callan Road Roundabout | Sugarloafhill | N76, R909 | Roundabout |
| Gillian O’Sullivan Roundabout | Lissivigeen | N22, N72 | Roundabout |
| Schull Road Roundabout | Marsh | N71, R931 | Roundabout |
| Carrigaphooca Roundabout | Carrigaphooca | R618 • L7454 | Roundabout |
| Killheffernan Roundabout | Killheffernan | N24, N76 | Roundabout |
| New Inn Road Roundabout | Cloghabreedy | N24, R639 | Roundabout |
| Clogheenavodig Roundabout | Bandon | N71, R586 | Roundabout |
| Camp Roundabout | Manor West | N21, N22, N70 | Roundabout |
| Castlemaine Road Roundabout | Tralee | N70, N86 | Roundabout |
| Killumney Link East Roundabout | Carrigrohane | N22 | Roundabout |
| Michael D O'Shea Roundabout | Killarney | N22 | Roundabout |
| Miles Roundabout | Miles | N71, R880 | Roundabout |
| Corcoran's Cross Roundabout | Corcoran's Cross | N30, R729 | Roundabout |
| Ballingowan Roundabout | Ballingowan | N21, N22, N69, R875 | Roundabout |
| Clogheenmilcon Interchange | Clogheenmilcon | N20, R617 | Modified Trumpet |
| Rathrippin Roundabout | Rathrippin | N4 | Roundabout |
| Ballybeggan Roundabout | Ballybeggan | N69 | Roundabout |
| Coolcower Roundabout | Coolcower | N22, R584 | Roundabout |
| Blake's Corner | Ennistimon | N67, N85 | T Junction |
| Tullyearl Roundabout | Ballyshannon | N15 • R267 | Roundabout |
| Gurteenroe Junction | Folded-dumbbell | N22, R582 | LILO |
| Castlemorris Roundabout | Killerisk | N86, R919 | Roundabout |
| Ballymullen Roundabout | Ballymullen | N86, R874 | Roundabout |
| Ballyard Roundabout | Ballyard | N86, R551 | Roundabout |
| Stokestown Junction | Stokestown | N25, R733 | Trumpet |
| Rathass Roundabout | Rathass | R875, R919 | Roundabout |
| Tullagreen Interchange | Tullagreen | N25, R624 | Partially-folded dumbbell |
| Toonlane East Interchange | Folded-dumbbell | N22 • L3409 | LILO |
| Toonlane East Junction | Toonlane East | R618 • L3409 | roundabout |
| Slievereagh Interchange | Slievereagh | N22 • R618 • L92201 • L92208 | half dumbbell |