Gnangara Road

Western Australia
Looking west, from Ellenbrook
General information
TypeRoad
Length17.7 km (11 mi)[1]
Route number(s)
Major junctions
West end Wanneroo Road (State Route 60 / State Route 83), Madeley
 
East end West Swan Road (State Route 52), Henley Brook
Location(s)
Major suburbsWangara, Landsdale, Gnangara, Cullacabardee, Lexia, Whiteman, Ellenbrook, Aveley

Gnangara Road is an arterial east-west road in Perth, Western Australia. It is located within the northern suburbs of Perth, from Madeley in the west, to Henley Brook in the east. Gnangara Road provides a connection between Great Northern Highway (via West Swan Road) and Wanneroo Road. The construction of the Ocean Reef Road extension in 2011 altered the road network in the Landsdale area in Landsdale.[2] The plans show Gnangara Road as discontinuous between Mirrabooka Avenue and Alexander Drive, with the Mirrabooka Avenue and Ocean Reef Road extensions linking the two sections. Following construction, those linking road sections were named as Gnangara Road, allowing the road to remain continuous.

Route description

From its western terminus at Wanneroo Road, Gnangara Road travels along the southern boundary of the Wangara industrial area. It continues east to reach Mirrabooka Avenue after 3.7 km (2.3 mi), where it then travels northwards for 350 m (1,150 ft) to Ocean Reef Road, before turning right to continue east for 1.5 km (0.9 mi) to Alexander Drive, and then after another 5 km (3.1 mi) it encounters Tonkin Highway at a parclo interchange. The road travels past Whiteman Park's northern edge, and the southern edge of Ellenbrook. It finally terminates, after 17.7-kilometre-long (11.0 mi) journey, in Henley Brook at West Swan Road, which connects northwards to Great Northern Highway, and southwards to Reid Highway.[1]

History

Traffic lights were installed in 2007 at the then-recently duplicated Alexander Drive intersection.

In 2011, as part of the Ocean Reef Road extension, the section between Mirrabooka Avenue/Sydney Road/Ocean Reef Road intersection and West Swan Road had the State Route 83 allocation replaced by State Route 84. The road is discontinuous at Wangara, where motorists will have to travel northwards along Mirrabooka Avenue to turn right at the nearby intersection to continue on Gnangara Road.

Gnangara Road was upgraded to a four lane dual carriage way between Drumpellier Drive and Pinaster Parade, near Ellenbrook. The works began in May 2012, and included traffic lights at the intersection of Gnangara Road and Drumpellier Drive, drainage, and kerbing.[3] The upgrade works were completed on schedule, in December 2012, at a cost of more the $3.3 million.[4][5]

Also in 2012 a single lane roundabout was constructed at Gnangara Road's eastern terminus with West Swan Road and Henry Street. Construction works began after the relocation of water and electrical services, and took 12 to 15 months.[6]

The state government committed $6.6 million to construct a second carriageway between Beechboro Road North and Drumpellier Drive, and an additional $14 million to complete the remaining 7.9 kilometres (4.9 mi) up to Alexander Drive which took place between 2013 and 2015.[7] The works involved installing traffic lights at the intersection with Beechboro Road North,[7][6] which was the site of 131 accidents during the five-year period to 2010,[8] and rated fifth in the RAC’s 2012 list of Western Australia’s worst intersections.[9] In 2019, the intersection was subsequently removed as part of the NorthLink WA project due both to the new parclo interchange with Tonkin Highway opening just to the east along with the carriageway itself crossing the path of Beechboro Road North (that road was made a cul-de-sac at its northern end accessible from near Hepburn Avenue).

Future Works

Gnangara Road in the City of Swan is planned to ultimately be upgraded to a six lane dual carriageway road between Alexander Drive and Tonkin Highway, and a four lane dual carriage road between Tonkin Highway and Pinaster Parade.[10]

The City of Swan also has plans for a shared pedestrian–cyclist path (Principal Shared Path) alongside Gnangara Road from Pinaster Parade to Tonkin Highway. The estimated cost is $2.96 million.[11]

Major intersections

All intersections listed below are roundabout-controlled unless otherwise indicated.

LGALocationkmmiDestinationsNotes
Joondalup–Wanneroo boundaryKingsley–Madeley boundary00.0 Wanneroo Road (State Route 60 / State Route 83 north) – Lancelin, Wanneroo, Padbury, PerthTraffic light controlled t-junction
WannerooWangara–Madeley–Landsdale tripoint1.60.99Hartman Drive – Pearsall, Darch
Wangara–Landsdale boundary2.81.7Prestige Parade north / Attwell Street south
3.82.4Mirrabooka Avenue south – Alexander Heights, Marangaroo, MirrabookaEastbound traffic turns north, southbound traffic turns west
Wangara–Gnangara–Landsdale tripoint4.12.5 Ocean Reef Road (State Route 84) west / Sydney Road north – Ocean Reef, Joondalup, JandabupTraffic light controlled intersection. Eastbound traffic turns east, westbound traffic turns south. State Route 83 eastern terminus
Wanneroo–Swan boundaryGnangara–Cullacabardee–Landsdale tripoint5.73.5 Alexander Drive (State Route 56) – Ballajura, Dianella, PerthTraffic light controlled intersection
SwanLexia–Cullacabardee bonudary9.96.2 Beechboro Road North (State Route 53)Removed in 2019 as part of NorthLink WA, replaced with Tonkin Highway interchange
Lexia–Whiteman-Cullacabardee tripoint10.5–
11.1		6.5–
6.9		 Tonkin Highway (State Route 4) – Geraldton, Meekatharra, Ellenbrook, MorleySix-ramp parclo interchange favouring Tonkin Highway. Tonkin north to Gnangara east and Tonkin south to Gnangara west ramps looped.
Lexia–Ellenbrook–Henley Brook–Whiteman quadripoint13.58.4Drumpellier Drive – Ellenbrook, Brabham, Dayton, CavershamTraffic light controlled intersection under reconstruction as part of the Morley-Ellenbrook Line. Access to future Whiteman Park railway station
Ellenbrook–Henley Brook boundary14.08.7Starflower Road south / Pinaster Parade north – Ellenbrook, Brabham
Aveley–Ellenbrook–Henley Brook tripoint15.69.7Henley Brook Avenue
Aveley–Henley Brook boundary16.410.2Egerton Drive
Belhus–Henley Brook boundary17.711.0 West Swan Road (State Route 52,Tourist Drive 203) – Upper Swan, West Swan, GuildfordEastern terminus. Continues as Henry Street east. Access to the Swan Valley wine region
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  •       Closed/former
  •       Route transition
  •       Unopened

See also

icon Australian Roads portal

References

Template:Attached KML/Gnangara Road
KML is from Wikidata
  1. 1 2 Google (24 December 2013). "Gnangara Road" (Map). Google Maps. Google. Retrieved 24 December 2013.
  2. ↑ "Roads". Capital Works. City of Wanneroo. Archived from the original on 10 April 2013. Retrieved 12 June 2012.
  3. ↑ "Four-lane carriageway". Community Newspaper Group. 23 May 2012. Archived from the original on 30 December 2012. Retrieved 12 June 2012.
  4. ↑ Frank, Caroline (27 June 2012). "Gnangara Road cash promised". The Advocate. Archived from the original on 30 December 2012. Retrieved 3 July 2012.
  5. ↑ Miles, Stephen (9 January 2013). "New carriageway will improve traffic flow". The Advocate. Archived from the original on 19 February 2013. Retrieved 24 January 2013.
  6. 1 2 Frank, Caroline (5 April 2012). "New Gnangara-West Swan roundabout announced". Hills Gazette. Archived from the original on 30 December 2012. Retrieved 12 June 2012.
  7. 1 2 Miles, Stephen (9 January 2013). "New carriageway will improve traffic flow". The Advocate. Archived from the original on 19 February 2013. Retrieved 24 January 2013.
  8. ↑ "Funds sought for road". Community Newspaper Group. 28 July 2010. Archived from the original on 30 December 2012. Retrieved 12 June 2012.
  9. ↑ "Gnangara sweetener". Community Newspaper Group. 28 November 2012. Archived from the original on 19 February 2013. Retrieved 24 January 2013.
  10. ↑ "Funds sought for road". Community Newspaper Group. 28 July 2010. Archived from the original on 30 December 2012. Retrieved 12 June 2012.
  11. ↑ "Advocacy Priorities 2020" (PDF). City of Swan. Retrieved 22 July 2021.

31°47′44″S 115°56′06″E / 31.79549°S 115.934946°E / -31.79549; 115.934946 (Gnangara Road)

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