1045:
90:
24:
342:
The first upgrading project started in 1994, with two intersections along Farrer Road being the first to be upgraded. The upgrading projects had to be carried out in stages to minimise disruption to traffic. The completion of the
Portsdown Flyover, Queensway Flyover and Queensway Underpass marks
590:
To go from Adam Road to Lornie
Highway, one can drive on Adam Flyover. An alternative road is Lornie Road, which is parallel to Lornie Highway, although Lornie Road has a longer distance than Lornie Highway.
325:
With the ORRS, traffic volume on city-bound roads will be reduced. It also provides an alternative route east-west travel for motorists without going through the city. Since ORRS is extensively linked to
918:
Speech by Mrs Lim Hwee Hua, Minister of State for
Transport and Finance, at the opening of the extension of Queensway to Ayer Rajah Expressway and Queensway Underpass on Saturday, 13 August 2005, 9.15 am
269:
The route of the ORRS forms a semi-circle shape, connecting several expressways and major arterial roads. Travelling from west to east in a clockwise direction, the route begins at
221:, is a network of major arterial roads in Singapore that forms a ring road through the towns along the city fringe. The ORRS is a semi-expressway, just like the
949:
229:. Roads and interchanges along the ORRS are constantly being upgraded to cater to the ever increasing traffic demand. It starts as Portsdown Avenue in
1044:
912:
685:
942:
907:
1018:
917:
712:. This interchange is Singapore's first four-tier interchange, with, from highest to lowest, Upper Serangoon Viaduct,
343:
another milestone in the realisation of the ORRS. The Farrer Road section of the upgrading project completed in 2009.
1396:
1002:
935:
146:
67:
45:
671:
Lorong 8 Toa Payoh only allows traffic to travel westbound only. Vehicles are not permitted to leave the ORRS here.
38:
242:
703:
548:
525:
473:
922:
783:
768:
431:
1079:
992:
890:
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713:
302:
225:. Since 1994, roads along the ORRS have been upgraded in stages to provide a smoother route to travel across
222:
154:
150:
1195:
314:
1417:
398:
From
Portsdown Avenue, it goes straight towards Queensway northbound and the ORRS continues from there.
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89:
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913:
Opening Of
Extension Of Queensway To The AYE And Queensway/Commonwealth Avenue Interchange
8:
1422:
1315:
1175:
1034:
828:
To go from
Bartley Road East to Tampines Avenue 10, one can drive on Kaki Bukit Viaduct.
717:
636:
379:
1355:
1295:
1280:
1155:
1130:
1029:
997:
530:
Bukit Timah Road travels westward only, access the Farrer
Flyover to stay on the ORRS.
450:
298:
753:
Only motorists travelling eastbound can only enter and exit to Upper Paya Lebar Road.
1335:
1300:
1270:
1230:
1007:
553:
Dunearn Road travels east bound only, access the Farrer
Flyover to stay on the ORRS.
294:
246:
1365:
1250:
1115:
1095:
1059:
520:
331:
1370:
1320:
1265:
1240:
1120:
604:
To go from Lornie
Highway to Braddell Road, one can drive on MacRitchie Viaduct.
478:
To go from
Queensway to Farrer Road, one can drive through the Farrer Underpass.
1190:
1100:
1069:
895:
872:
1411:
1340:
1135:
788:
Only motorists travelling westbound can only enter and exit to Airport Road.
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1140:
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709:
680:
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286:
278:
238:
301:, via the MacRitchie Viaduct and Lornie Viaduct and a connection to the
1285:
1210:
306:
121:
436:
Queensway Underpass offers a non-stop drive through this interchange.
1260:
875:
and major roads will be mentioned. Minor roads will not be mentioned.
690:
Braddell Underpass offers a non-stop drive through this interchange.
666:
585:
290:
250:
226:
183:
310:
258:
234:
164:
625:
Bishan Flyover offers a non-stop drive through this interchange.
277:. The route continues northward through the residential areas of
254:
850:
Start of ORRS leading westbound; end of ORRS leading eastbound.
708:
To go from Braddell Road to Bartley Road, one can drive through
281:
via Farrer Road and Adam Road, with the first connection to the
564:
923:
Braddell Road/Thomson Road/Lornie Road Flyover to open in July
334:, motorists can get from one traffic route to another easily.
237:. The series of roads passes through the areas of Queenstown,
957:
384:
Start of ORRS going eastbound; end of ORRS going westbound.
94:
Outer Ring Road System is labelled in double navy blue line
655:
Can only be accessed by traffic travelling eastbound.
607:
Marymount Flyover, MacRitchie Viaduct, Lornie Viaduct
1409:
943:
723:Woodleigh Underpass, Upper Serangoon Viaduct
305:. From here, the route travels eastwards to
950:
936:
346:
68:Learn how and when to remove this message
31:This article includes a list of general
1410:
533:Farrer Flyover, Bukit Timah Underpass
931:
693:Braddell Underpass, Braddell Flyover
337:
17:
285:. The route continues east through
13:
556:Farrer Flyover, Dunearn Underpass
481:Farrer Underpass, Holland Flyover
330:and other arterial roads, such as
233:and ends as Tampines Avenue 10 in
37:it lacks sufficient corresponding
14:
1434:
1397:Singapore Underground Road System
1043:
243:Central Catchment Nature Reserve
88:
22:
860:
1:
908:Outer Ring Road System (ORRS)
901:
891:West Coast Highway, Singapore
217:, or more commonly known as
7:
879:
10:
1439:
862:
320:
1389:
1088:
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790:
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727:
611:
598:
576:
537:
462:
422:
370:
273:with a connection to the
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132:
117:
112:
104:
99:
87:
82:
960:expressways of Singapore
886:Expressways of Singapore
716:, Bartley Underpass and
644:Toa Payoh North Flyover
264:
203:Expressways of Singapore
969:Road names in Singapore
52:more precise citations.
1075:Outer Ring Road System
747:Upper Paya Lebar Road
561:Pan Island Expressway
376:Ayer Rajah Expressway
347:Interchange along ORRS
215:Outer Ring Road System
83:Outer Ring Road System
1065:Jurong Island Highway
283:Pan Island Expressway
275:Ayer Rajah Expressway
1019:North–South Corridor
714:Upper Serangoon Road
699:Upper Serangoon Road
679:Central Expressway,
439:Queensway Underpass
428:Commonwealth Avenue
366:Name of interchange
1176:Jalan Ahmad Ibrahim
831:Kaki Bukit Viaduct
733:Serangoon Avenue 1
704:Three-level diamond
663:Lorong 8 Toa Payoh
633:Lorong 6 Toa Payoh
549:Three-level diamond
526:Three-level diamond
474:Three-level diamond
134:Major intersections
1418:Roads in Singapore
1156:Eu Tong Sen Street
1080:West Coast Highway
1003:Kallang-Paya Lebar
998:East Coast Parkway
841:Tampines Avenue 1
837:Tampines Avenue 10
817:Bartley Road East
401:Queensway Flyover
387:Portsdown Flyover
357:Interchange with
338:Upgrading projects
315:series of viaducts
303:Central Expressway
223:West Coast Highway
108:Introduced in 1994
1405:
1404:
1366:Upper Bukit Timah
1281:Old Choa Chu Kang
1276:North Buona Vista
1196:Jalan Bukit Merah
857:
856:
820:Bedok North Road
803:Kaki Bukit Ave 4
765:Hougang Avenue 3
761:Bartley Road East
710:Bartley Underpass
649:Bishan Street 11
211:
210:
100:Route information
78:
77:
70:
1430:
1251:Marina Boulevard
1221:Jurong Town Hall
1116:Bencoolen Street
1060:Bukit Timah Road
1053:Semi-expressways
1047:
958:Major roads and
952:
945:
938:
929:
928:
876:
866:
791:Bartley Viaduct
775:Bartley Viaduct
521:Bukit Timah Road
447:Commonwealth Dr
409:Commonwealth Dr
372:Portsdown Avenue
351:
350:
332:Bukit Timah Road
135:
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48:this article by
39:inline citations
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1371:Upper Serangoon
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718:North East line
628:Bishan Flyover
486:Leedon Heights
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113:Major junctions
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44:Please help to
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1070:Nicoll Highway
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896:Nicoll Highway
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873:arterial roads
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578:Lornie Highway
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194:Highway system
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1356:Telok Blangah
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1341:Stamford Road
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1296:Pasir Panjang
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1131:Choa Chu Kang
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867: : Only
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780:Airport Road
779:
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767:
764:
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750:3-level SPUI
749:
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619:
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613:Braddell Road
610:
606:
603:
601:
597:
594:Adam Flyover
593:
589:
587:
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572:Adam Flyover
571:
568:
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559:
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542:
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536:
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516:
515:
511:
508:
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503:Empress Road
502:
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484:
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161:East end
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118:West end
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58:February 2014
51:
47:
41:
40:
34:
29:
20:
19:
16:
1336:South Bridge
1301:River Valley
1271:North Bridge
1236:Lorong Chuan
1231:Lim Chu Kang
1171:Holland Road
1141:Collyer Quay
1074:
1017:
861:
858:
836:
760:
729:Bartley Road
728:
686:3-level SPUI
681:Lorong Chuan
617:Bishan Road
612:
600:Thomson Road
599:
582:Lornie Road
577:
544:Dunearn Road
538:
517:Farrer Road
500:Farrer Road
469:Holland Road
463:
423:
371:
341:
324:
268:
218:
214:
212:
201:
64:
55:
36:
15:
1331:Sims Avenue
1326:Shenton Way
1206:Jalan Eunos
1201:Jalan Buroh
1186:Jalan Besar
1181:Jalan Bahar
1166:Hill Street
1089:Major roads
988:Bukit Timah
976:Expressways
869:expressways
464:Farrer Road
328:expressways
287:Bukit Brown
279:Bukit Timah
239:Bukit Timah
50:introducing
1423:Ring roads
1412:Categories
1266:New Bridge
1241:MacPherson
1211:Jalan Kayu
1151:East Coast
1126:Cantonment
1121:Bras Basah
1111:Beach Road
1025:Pan-Island
983:Ayer Rajah
902:References
444:Queensway
406:Queensway
392:Queensway
354:Road name
313:through a
307:Kaki Bukit
271:Queenstown
231:Queenstown
227:the island
122:Ayer Rajah
33:references
1390:Cancelled
1321:Serangoon
1316:Sembawang
1101:Balestier
667:Slip lane
586:Slip lane
539:Adam Road
424:Queensway
291:Toa Payoh
251:Toa Payoh
184:Singapore
1306:Robinson
1136:Clementi
1035:Tampines
880:See also
720:tunnel.
363:Remarks
311:Tampines
259:Tampines
235:Tampines
175:Location
165:Tampines
1361:Thomson
1351:Tanglin
1291:Orchard
1226:Kallang
1161:Geylang
1146:Dunearn
1106:Bartley
1030:Seletar
993:Central
863:^Note 1
846:Seagull
824:Seagull
637:Trumpet
621:Seagull
380:Diamond
321:Benefit
299:Bartley
255:Geylang
180:Country
105:History
46:improve
1346:Sungei
1311:Scotts
1256:Napier
1246:Mandai
1216:Jurong
1008:Kranji
736:3-way
565:Parclo
506:3-way
489:3-way
412:3-way
395:3-way
295:Bishan
247:Bishan
35:, but
1286:Ophir
1096:Anson
844:Box,
806:LILO
652:LILO
360:Type
265:Route
1261:Neil
784:SPUI
769:SPUI
451:LILO
432:SPUI
309:and
297:and
257:and
219:ORRS
213:The
797:KPE
155:KPE
151:CTE
147:NSC
143:PIE
139:AYE
126:AYE
1414::
871:,
853:–
812:-
809:-
742:–
739:–
674:–
658:–
641:–
569:–
512:-
509:-
495:-
492:-
458:-
455:-
418:-
415:-
317:.
293:,
289:,
261:.
253:,
249:,
245:,
241:,
153:,
149:,
145:,
141:,
951:e
944:t
937:v
128:)
124:(
71:)
65:(
60:)
56:(
42:.
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