R112 road (Ireland)

R112 road
R112 road with cycle lanes (red)
Route information
Length:	15.2 km^[1] (9.4 mi)
Location
Primary destinations:	Dublin City Chapelizod (N4) Ballyfermot (R833) Crosses the Grand Canal (New Bridge) Kylemore (R810, R110, Luas Red Line) Walkinstown (R818, R819) South Dublin Crosses the River Poddle Templeogue (R817, R137) Crosses the River Dodder at Springfield Avenue Crosses the Owendoher River Rathfarnham (R114) Dún Laoghaire–Rathdown Churchtown (R821) Crosses the River Slang Dundrum (R117, Luas Green Line) Goatstown (R826, R825, R133) Mount Merrion (N11)
Road network
Roads in Ireland Motorways Primary Secondary Regional

The R112 road is a regional road in south Dublin, Ireland. ^[2] It begins at the junction with the N4 road at Chapelizod and arcs southeastwards, then eastwards across the middle of south Dublin, ending at the Mount Merrion junction of the N11. The road is single carriageway, with cycle lanes on some stretches. Improvements to the road have been made over the last 10 years, the most significant being at Dundrum Cross where the road was widened to make room for the new Luas bridge and Dundrum bypass (R117 road).

The official description of the R112 from the Roads Act 1993 (Classification of Regional Roads) Order 2006 (Statutory Instrument 188 of 2006) ^[2] reads:

R112: Chapelizod - Churchtown - Mount Merrion, County Dublin

Between its junction with N4 at Chapelizod Bypass in the city of Dublin and its junction with N11 at Stillorgan Road in the county of Dún Laoghaire–Rathdown via Kylemore Road and Walkinstown Avenue in the city of Dublin: Saint Peter's Road, Greentrees Road, Templeville Road and Springfield Avenue, Dodder View Road and Dodder Park Road in the county of South Dublin: Dodder Park Road, Braemor Road, Churchtown Road Upper, Taney Road, Mount Anville Road and Fosters Avenue in the county of Dún Laoghaire–Rathdown.

The R112 is 15.2 kilometres (9.4 mi) long (map of the road).

R112 looking west to crossroads at Dundrum and the Luas Dargan Bridge.

Mount Anville Road section of R112 due south between Mount Merrion and Goatstown. Deer Park entrance at left.

Route

The R112 begins at the junction of the N4 road at Chapelizod, heading a short distance to the east. It turns south and passes under the N4. The road is known as the Kylemore Road at this point.
Continues south through the R833 (Ballyfermot Road) roundabout.
Crosses a bridge over Dublin-Cork railway line.
Crosses the Grand Canal.
Major junction with the R810 (Naas Road). It crosses the Luas Red Line at this point and is named as Walkinstown Avenue.
Shortly after this there is another major junction with the R110 (Long Mile Road).
Continues southeast through Walkinstown roundabout where the road connects with the R819 and R818. After the roundabout the road becomes Saint Peter's Road.
Road moves in a more easterly direction and is known as Greentrees Road after the junction with Limekiln Lane.
Road becomes Templeville Road after a roundabout at the junction with Whitehall and Wellington Road. The road crosses the River Poddle 200m southeast of the Wellington Road roundabout, or 50m northwest of the Grosvenor Road intersection. The presence of the river is not readily evident to passing motorists. Further on, it intersects the R817 at the Templeville roundabout. The 850m stretch between the Wellington and Templeville roundabouts was a greenfield area which was developed in the 1970s as a connecting road (including new housing) between Greentrees Road and Templeogue College.
Major junction with R137 at Templeogue village.
After the R137, it becomes Springfield Avenue where it crosses and then follows the winding River Dodder, with Bushy Park to the north. The road bridges the Owendoher River just before the tributary flows into the Dodder.
After a junction with the R114 (which connects Terenure to Rathfarnham at this point) the R112 road becomes the Dodder Park Road, which later becomes the Braemor Road as it passes Churchtown.
It then passes a junction with R821 (Nutgrove Avenue) and Beaumont Avenue and becomes the Upper Churchtown Road before a major junction at Dundrum, where the road intersects with the R117 and passes underneath the Luas bridge on the Green Line. It also bridges the Slang or Dundrum River at this point, though the bridge is barely noticeable.
Past Dundrum, the road climbs steeply to Taney Church, and a T-junction with the R826, before a decline down to Goatstown. There, it meets another major junction with the R825 (Goatstown Road) to the south and R133 (Lower Kilmacud Road) to the north. The R112 road is known as Taney Road before the junction and Mount Anville Road afterwards.
The Mount Anville Road passes Deer Park before another steep decline down to a small junction where the road becomes Foster Avenue. The road has UCD, Belfield to the north and Mount Merrion to the south before it terminates at a T-junction with the N11.

Transport

54A bus stop on the R112

The following bus routes use the R112:

66, 66A, 66B, 67, 67A - Lucan Road
76, 76A, 76B - Kylemore Road
18, 79, 206 - Kylemore Road (after Ballyfermot roundabout)
56A - Walkinstown Avenue
19A - Saint Peter's Road
54A - Templeville Road
14 - Braemor Road
17 - Churchtown Road
11A, 46B - Foster Avenue

An on-street bike lane starts at the Walkinstown roundabout and continues to Templeoge, at the junction of the R137. There, it changes to an off-street bike lane until the junction with the R114 road, where it switches back to an on-street lane. Following the junction at Ely Arch, there in an off-street bike lane until the crossroads at Dundrum. After this, only short stretches of the route have on-street bike lanes, though there are plans to add to this route in the proposed Goatstown development plan. ^[3]

Points of interest

Ely's Arch
Parks — Californian Hills Park (Ballyfermot), Walkinstown Avenue Park, Dodder Valley Park (Templeogue), Bushy Park (Rathfarnham), Deer Park (Mount Merrion)
Rivers — River Poddle, River Dodder
Churches — St Nahi's (Dundrum), Taney Church (Dundrum), St Thomas' (Mount Merrion)
Schools — Templeogue College, St. Pius X National School, Notre Dame de Missions (Churchtown), Mount Anville School
Sports — Saint Mary's College RFC

Upgrades

Q4 2009 - Signage replaced along route.
Q4 2009 - Traffic lights replaced at Goatstown.
Q3/4 2010 - Added bus lane west of Dundrum cross.

Future plans

A feasibility study has explored the idea of running the proposed Luas Line E along the Upper Churchtown Road from the existing Luas Green Line at Dundrum, before turning off to the R821 road, towards Nutgrove. However, this project is unlikely to proceed soon due to scarce revenue and doubts about the sustainability of the line. Currently, there are plans to upgrade the junction with the R821. ^[4] The proposed Goatstown development plan is likely to make small changes to the road layout at that section of the route.

References

↑ Map of the route of R112, Google Maps. Retrieved: 2010-08-06.
1 2 Statutory Instrument 188 of 2006 — Roads Act 1993 (Classification of Regional Roads) Order 2006, Irish Statute Book (irishstatutebook.ie). Retrieved 2010-08-02.
↑ Goatstown Local Area Plan Drawing. Dún Laoghaire-Rathdown County Council, DLRCoCo.ie. Retrieved: 2010-08-07.
↑ Upper Churchtown Road / Nutgrove Avenue Quality Bus Corridor. Dún Laoghaire-Rathdown County Council, DLRCoCo.ie. Retrieved: 2010-08-07.

External sources

Doyle, Joseph W. (2012) [2008]. Ten Dozen Waters: The Rivers and Streams of County Dublin (5th edition). Dublin, Ireland: Rath Eanna Research. pp. 1–50 + iv + map. ISBN 978-0-9566363-4-8.

Roads in Ireland

Motorways	M1 M2 M3 M4 M6 M7 M8 M9 M11 M18 M20 M50

Primary roads	N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 N13 N14 N15 N16 N17 N18 N19 N20 N21 N22 N23 N24 N25 N26 N27 N28 N29 N30 N31 N32 N33 N40 N50

Secondary roads	N51 N52 N53 N54 N55 N56 N58 N59 N60 N61 N62 N63 N65 N66 N67 N68 N69 N70 N71 N72 N73 N74 N75 N76 N77 N78 N80 N81 N82 N83 N84 N85 N86 N87

Regional roads	R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 R132 R133 R134 R135 R136 R137 R138 R139 R147 R148 R149 R150 R151 R152 R153 R154 R155 R156 R157 R158 R159 R160 R161 R162 R163 R164 R165 R166 R167 R168 R169 R170 R171 R172 R173 R174 R175 R176 R177 R178 R179 R180 R181 R182 R183 R184 R185 R186 R187 R188 R189 R190 R191 R192 R193 R194 R195 R196 R197 R198 R199 R200 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R229 R230 R231 R232 R233 R234 R235 R236 R237 R238 R239 R240 R241 R242 R243 R244 R245 R246 R247 R248 R249 R250 R251 R252 R253 R254 R255 R256 R257 R258 R259 R260 R261 R262 R263 R264 R265 R266 R267 R268 R277 R278 R279 R280 R281 R282 R283 R284 R285 R286 R287 R288 R289 R290 R291 R292 R293 R294 R295 R296 R297 R298 R299 R300 R310 R311 R312 R313 R314 R315 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R327 R328 R329 R330 R331 R332 R333 R334 R335 R336 R337 R338 R339 R340 R341 R342 R343 R344 R345 R346 R347 R348 R349 R350 R351 R352 R353 R355 R356 R357 R358 R359 R360 R361 R362 R363 R364 R365 R366 R367 R368 R369 R370 R371 R372 R373 R374 R375 R376 R377 R378 R379 R389 R390 R391 R392 R393 R394 R395 R396 R397 R398 R399 R400 R401 R402 R403 R404 R405 R406 R407 R408 R409 R410 R411 R412 R413 R414 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R425 R426 R427 R428 R429 R430 R431 R432 R433 R434 R435 R436 R437 R438 R439 R440 R441 R442 R443 R444 R445 R446 R448 R449 R458 R459 R460 R461 R462 R463 R464 R465 R466 R467 R468 R469 R470 R471 R472 R473 R474 R475 R476 R477 R478 R479 R480 R481 R482 R483 R484 R485 R486 R487 R488 R489 R490 R491 R492 R493 R494 R495 R496 R497 R498 R499 R500 R501 R502 R503 R504 R505 R506 R507 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 R523 R524 R525 R526 R527 R548 R549 R550 R551 R552 R553 R554 R555 R556 R557 R558 R559 R560 R561 R563 R564 R565 R566 R567 R568 R569 R570 R571 R572 R573 R574 R575 R576 R577 R578 R579 R580 R581 R582 R583 R584 R585 R586 R587 R588 R589 R590 R591 R592 R593 R594 R595 R596 R597 R598 R599 R600 R601 R602 R603 R604 R605 R606 R607 R608 R610 R611 R612 R613 R614 R615 R616 R617 R618 R619 R620 R621 R622 R623 R624 R626 R627 R628 R629 R630 R631 R632 R633 R634 R635 R637 R638 R639 R640 R641 R659 R660 R661 R662 R663 R664 R665 R666 R667 R668 R669 R670 R671 R672 R673 R674 R675 R676 R677 R678 R679 R680 R681 R682 R683 R684 R685 R686 R687 R688 R689 R690 R691 R692 R693 R694 R695 R696 R697 R698 R699 R700 R701 R702 R703 R704 R705 R706 R707 R708 R709 R710 R711 R712 R713 R724 R725 R726 R727 R729 R730 R731 R732 R733 R734 R735 R736 R737 R738 R739 R740 R741 R742 R743 R744 R745 R746 R747 R748 R749 R750 R751 R752 R753 R754 R755 R756 R757 R758 R759 R760 R761 R762 R763 R764 R765 R766 R767 R768 R769 R770 R772 R773 R774 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R818 R819 R820 R821 R822 R824 R825 R826 R827 R828 R829 R830 R831 R833 R834 R835 R837 R838 R839 R840 R842 R843 R846 R847 R848 R849 R851 R852 R853 R854 R855 R857 R858 R859 R860 R861 R863 R864 R865 R866 R867 R868 R870 R871 R873 R874 R875 R876 R877 R880 R883 R884 R885 R886 R887 R888 R889 R890 R895 R899 R900 R901 R903 R904 R906 R907 R908 R909 R910 R911 R912 R913 R914 R915 R916 R917 R918 R919 R920 R921 R923 R924 R925 R926 R927 R928 R929 R930 R931 R932 R933 R934 R935 R936 R937 R938 R940 R941

See also National Development Plan National Roads Authority Local roads Toll roads Trunk roads

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