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Northbourne Avenue, Vernon Circle, Commonwealth Avenue, State Circle, Capital Circle, Canberra Avenue, Hume Place and Monaro Highway (National Route 23) |
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| National Route 23 signage and trailblazer on State Circle. Image © Canberra Times, obtained via Trove, published 25 August 1967 |
Statistics:
Route Numbering:
General Information:
In the ACT, NR23 serves as the main connector route through suburban Canberra.
The route varies from multi-laned dual carriageway in the urban areas of North and South Canberra to rural highway further south of the city. It passes directly past Australia's Parliament House and other significant areas containing offices for the administration of the country. It also passes through suburban areas, industrial areas at Fyshwick and Hume, plus farming zones and bushland.
Between the spans on the southern side of the Commonwealth Avenue Bridge over Lake Burley Griffin, there's two granite stones from the 1817 Waterloo Bridge across the River Thames in London. These were presented to Australia after the 1817 Waterloo Bridge was demolished in the 1940s and replaced by a modern structure. A plaque reads, in part, "Stones such as these from the bridge were presented to Australia and other parts of the British world to further historic links in the British Commonwealth of Nations".
History:
Northbourne Avenue:
- 1911: Planning of Northbourne Avenue by Walter Burley Griffin. 1
- 20 September 1928: Northbourne Avenue name gazetted. 2
- 1937: Mercury vapour street lights installed on Northbourne Avenue. 3
- 1946: Bitumous seal on Northbourne Avenue extended to the junction with Gould Street, Turner. 4
- October 1951: One way directional signs installed on divided section of Northbourne Avenue between Civic and Haig Park. 5
- 1957: Duplication of Northbourne Avenue to Barton Highway intersection at Lyneham. 6
- October 1959: Installation of brighter street lights on Northboune Avenue, Civic. 7
- 1960: Work started to extend Northbourne Avenue to City Hill, and the construction of Vernon Circle. 8
- August 1962: Northbourne Avenue dual carriageways marked with 2 lanes in each direction. 9
- 1964: Widening of Northbourne Avenue between Cooyong St and London Cct, Civic. 10
- 24 August 1965: Installation begins of traffic lights on the intersections of Northbourne Avenue with London Circuit and also Alinga Street and Cooyong Street. 11
- 23 October 1965: Canberra's first traffic lights came into operation. The lights were installed at the intersection of London Circuit and Northbourne Avenue and Cooyong Street and Alinga Street. In addition to the lights, give-way signs have were installed on the Northbourne Avenue median strip at the Alinga Street crossing to ensure a free flow of traffic on both carriageways of Northbourne Avenue. 12
- 1965: Upgrade of street lights almost the entire length of Northbourne Avenue from London Circuit north to Antill Street. 13
- April 1966: Closure of median strip as part of widening works to Northbourne Avenue at the Greenway Street junction. 14
- September 1966: Completion of widening of Northbourne Avenue north of Civic. 15
- November 1966: Overhead directional sign gantry tested on Northbourne Avenue approaching Macarthur and Wakefield Avenues. The test was conducted by ANU students in conjuction with NCDC and 3M. The test was deemed unsuccessful. 16
- 9 December 1968: Traffic lights at the corner of Northbourne Avenue and Wakefield Avenue switched on. 17
- 6 May 1969: Southbound lanes of Northbourne Avenue extension and Vernon Circle opened to traffic. 18
- 1969: Work commenced on widening Northbourne Avenue to a six-lane highway from Civic to Dickson. 19
- March 1970: Traffic lights at the corner of Northborne Av and London Cct upgraded. 20
- 22 July 1974: The Department of the Capital Territory will modified the traffic lights at the intersection of Northbourne Avenue, Antill Street and the Barton Highway by installing arrow signals. 21
- 26 July 1974: Arrow signals switched on for traffic turning into Northbourne Avenue from the Barton Highway and Antill Street, bringing the lights into line with most others on Northbourne Avenue. 22
Vernon Circle:
- 1911: Planning of Vernon Circle by Walter Burley Griffin. 1
- 21 July 1960: Vernon Circle name gazetted, named after Walter Liberty Vernon, former New South Wales Government architect, Member of Advisory Board on Federal Capital site in 1909. 23
- 1960: Work started to extend Northbourne Avenue to City Hill, and the construction of Vernon Circle. 24
- 6 May 1969: Southbound lanes of Northbourne Avenue extension and Vernon Circle opened to traffic. 25
- 1 October 1960: Vernon Circle fully opened to traffic. 26
Commonwealth Avenue:
- 1911: Planning of Commonwealth Avenue by Walter Burley Griffin. 1
- 1916: The first Commonwealth Avenue Bridge completed. 27
- 1922: The first Commonwealth Avenue Bridge was damaged by flood. 27
- 1923: The second Commonwealth Avenue Bridge built, using three NSW 'Leychester' type trusses. 27 The second bridge was built using materials that had been intended for a bridge near Kings Avenue but not on the current Kings Avenue alignment. 28
- August 1923: Completion of second Commonwealth Avenue bridge, with work started on bridge approaches. 29
- 1925: The second Commonwealth Avenue Bridge damaged by flood. 27
- 1927: The completion of the third Commonwealth Avenue Bridge was a modification of the previous bridge. It was by a metre and had an added fourth truss. 26
- May 1927: The third Commonwealth Avenue Bridge opened to traffic. 28
- April 1929: Bitumen seal laid on the section of Commonwealth Avenue, between the bridge and the hexagon (London Circuit). 30
- October 1929: Concrete laid on Commonwealth Avenue for the full length of the two-way road, with the exception of the bitumen strip on the western side. 31
- 1937: Mercury vapour street lights installed on Commonwealth Avenue. 3
- June 1945: Work commenced on repaiting the smaller of the two Commonwealth Avenue bridges. The first stage included the construction of new concrete support pylons, after which a steel support was erected. Concrete decking replaced the old wood surface. 32 Work also included widening and the addition of footpaths on each side of the bridge. 33
- 3 April 1946: Reopening of the smaller (Billabong Bridge) Commonwealth Avenue bridge after refurbishment works. 34
- April 1947: Completion of refurbishment work on the smaller (Billabong Bridge) Commonwealth Avenue bridge. Delays occured due to material shortages, with the bridge reopening to traffic with temporary wooden railings in 1946. These were replaced with steel rails in the 1947 work. 35
- July 1958: The Department of Works covered the surface of Commonwealth Avenue over Billabong Bridge with bitumen and grit, designed to minimise skidding of vehicles by providing a rough, non-skid surface. 36
- March 1960: Traffic flow improvements to the intersection of State Circle and Commonwealth Avenue carried out. Work included the construction of a special left turning lane from State Circle into Commonwealth Avenue for northbound traffic. The carriageway of State Circle would be widened to provide additional lanes for both through and turning traffic. 37
- May 1961: Work begins on the 4th and current Commonwealth Avenue bridge. 38
- 13 November 1961: Dismantling began on the Billabong Bridge carrying Commonwealth Avenue over the Molonglo River, for reuse as a temporary structure during the construction of the 4th and current Commonwealth Avenue bridge. 39
- 15 February 1962: Work started on removal of circular traffic islands at the intersections on Commonwealth Avenue between State Circle and King Edward Terrace. The islands were replaced by smaller elongated islands placed diagonally across the intersections. 40
- 28 March 1962: The first section of decking on the 4th and current Commonwealth Avenue bridge placed. 41
- 8 March 1963: The old timber truss bridge across Molonglo River used for the last time. The bridge, which coped with Canberra traffic for 41 years, was replaced immediately by a diversion road and later by the Commonwealth Avenue Bridge. The truss bridge was dismantled to enable the construction of the approach embankment for the new bridge. 42
- 6 May 1963: Demolition of old Commonwealth Avenue bridge commenced. 43
- 10 September 1963: Eastern side of Commonwealth Avenue bridge opened to traffic at 6 am. This carried traffic in borth directions to allow completion of the western side. 44
- 1 November 1963: Western side of Commonwealth Avenue bridge opened to traffic. 45
- November 1963: The fourth Commonwealth Avenue Bridge opened to traffic. 46
- 1963: The fourth and current high-level concrete Commonwealth Avenue Bridge completed. 26
- January 1965: Installation of emergency help phones on Commonwealth Avenue bridge. 47
- 1965: Grade separated interchange constructed at southern end of Commonwealth Avenue bridge. 48
- 1 October 1965: Grade separated interchange at southern end of Commonwealth Avenue bridge opened to traffic. The interchange was designed to relieve traffic congestion from vehicles turning into Commonwealth Avenue from the Parliamentary Triangle. 49
- 5 June 1969: Northbound bridge over Parkes Way opened to traffic. 50
- October 1969: Installation of 12 160 feet high street lights at the Commonwealth Avenue and Parkes Way interchange. 51
- August 1972: Permanent traffic counters using similar pads to traffic lights installed just north of Commonwealth Avenue bridge. 52
- 4 June 1982: Commonwealth Avenue name gazetted, 53
- July 1984: Construction of ramp from Commonwealth Avenue to Parliament House. 54
State Circle:
- 20 September 1928: State Circle name gazetted, 55
- 1937: Mercury vapour street lights installed on State Circle. 3
- 1958: Completion of full circle as per original Canberra plans of State Circle. The work was for single carriageway which could later be converted to dual carriageway. 56
- 1959: Kerb and guttering for traffic islands constructed and laying of asphalt surface on State Circle. Landscaping of traffic islands also undertaken. 57
- March 1960: Traffic flow improvements to the intersection of State Circle and Commonwealth Avenue carried out. Work included the construction of a special left turning lane from State Circle into Commonwealth Avenue for northbound traffic. The carriageway of State Circle would be widened to provide additional lanes for both through and turning traffic. 58
- 1968: Widening of State Circle between Adelaide Avenue and Commonwealth Avenue. 59
- 9 April 1969: Adelaide Avenue and State Circle ramp opened to traffic. 60
- 28 May 1969: Flynn Drive and State Circle junction and remaining Adelaide Avenue to State Circle ramp opened to traffic. 61
- 25 November 1969: State Circle switched to one way traffic. Traffic was made to travel in a clockwise direction until flyovers from Commonwealth Avenue and Adelaide Avenue to Capital Circle were completed. 62
- 24 February 1970: Upgrade of the State Circle and Melbourne Avenue intersection commences. 63
- 7 September 1970: Loops ramps and overpasses connecting State Circle and Adelaide Avenue opened to traffic. 64
- February 1983: Installation of traffic lights at corner of State Circle and Melbourne Avenue. 65
- 1983: Work begins on alterations to State Circle to connect and improve traffic flow as part of the construction of Parliament House. 66
- September 1983: Bridges over State Circle to connect with Parliament House take shape. 67
- 4 March 1987: Work begins on reconstructing State Circle between Brisbane and Kings Avenues in association with construction of Parliament House. 68
- 29 September 1987: State Circle re-opened to traffic following completion of upgrade works associated with Parliament House, between Flynn Drive and Canberra Avenue. 69
Capital Circle:
- 3 August 1971: Capital Circle opened to traffic. 70
- December 1971: Work on improving the camber of Capital Circle at its junction with Commonwealth Avenue. 71
- 11 March 1974: Line marking to separate traffic into 2 lanes on Capital Circle commenced. 72
- 4 June 1982: Capital Circle name gazetted. 73
- 1983: Widening of Capital Circle from 3 to 4 lanes and lowered by around 2 metres between Canberra Avenue and Adelaide Avenue. 74
- 1984: Construction of tunnel / land bridge on Capital Circle. 75
- October 1984: The on and off ramps from Kings Avenue to Capital Circle closed permanently. 76
- 14 October 1986: Capital Circle tunnel opened for inspection by guided tour as part of Professional Engineers Week. 77
- 11 December 1986: The $5.5 million Capital Circle tunnel officially opened to traffic by the Minister For Territories, Mr Scholes. 78
Canberra Avenue:
- 20 September 1928: Canberra Avenue name gazetted, 79 Canberra Avenue was originally called Wellington Avenue. When Griffin drew up his plans in 1912, there was still some optimism that New Zealand might join the Federation of Australia. 80
- 27 February 1952: The carriageways of Canberra Avenue converted to one way in each direction. 81
- 15 May 1953: The first phase in the development of a two-lane divided highway to Queanbeyan started when work began on a two-mile road from Jerrabomberra Creek to serve the then new industrial area at and area known then as Molonglo. The overall scheme for straightening the curve near Molonglo siding involves the extension of Canberra Avenue in a straight line through a saddle in the hills, rejoining the existing route near Harman Naval Base. 82
- February 1962: Reconstruction of the intersection at Geelong Street and Canberra Avenue, Fyshwick commenced with the widening of the pavement area and the erection of a traffic island. 83
- 1965: Completion and opening of bridge over Jerrabomberra Creek. The bridge was constructed in conjunction with the development of a second carriageway of Canberra Avenue between Hume Place and Fyshwick. When the second carriageway and the bridge were completed the southern carriageway was closed temporarily to allow its bridge to be reconditioned. 84
- Priority Road signage installed on Canberra Avenue between State Circle and Hume Place. 85
- 21 December 1965: The second carriageway of Canherra Avenue between Hume Circle and Geelong Street opened to traffic. It included the then newly completed bridge over Jerrabomberra Creek and intersections with Nyrang and Ipswich Streets. 86
- 20 September 1968: Traffic lights at the corner of Canberra Avenue, Ipswich Street and Hindmarsh Drive (now Monaro Highway interchange) switched on. 87
- 1976: Work commenced on duplication of Canberra Avenue between Fyshwick and Canberra. 88
- 30 July 1976: The first stage of the duplication of Canberra Avenue between Fyshwick and the NSW border opened to traffic. 89
- 9 May 1977: New route between Canberra and West Queanbeyan opened to traffic. It runs from the Queanbeyan side of HMAS Harman, crossed the Queanbeyan-Cooma Railway and joined with Kendall Avenue in Queanbeyan. 90
- 16 August 1979: Work commenced on realignment and installation of traffic lights at the junction with Captain Cook Crescent and Canberra Avenue. 91
- 16 April 1982: The NSW section of Canberra Avenue, linking Canberra Avenue from Kendall Avenue to Monaro Street in Queanbeyan opened by the then NSW Commissioner for Roads, Mr Bruce Loder. 92
- February 1988: Work starts on Eastern Parkway (Monaro Highway extension), thus beginning relocation of Hindmarsh Drive and Canberra Avenue junction and construction of interchange at Fyshwick. 93
- 22 November 1989: Opening of interchange of Canberra Avenue, Ipswich Street and Monaro Highway at Fyshwick. This also included the rerouting of NR23 between Sturt Avenue at the interchange. 94
Hume Place (Hume Circle):
- 20 September 1928: Hume Place name gazetted (named after Australian Explorer, Hamilton Hume). 95
- March 1960: Work commenced on the roundabout at Hume Circle. Work included the extension of the eastern lane of Wentworth Avenue from Cunningham Street. 96
- December 1960: Hume Circle roundabout opened to traffic. 97
Monaro Highway (Cooma Road):
- October 1958: Cooma Road renamed Monaro Highway. This meant the route had a single name between Canberra and the Victorian border. 98
- 1964: Channelisation works at the corner of Monaro Hwy and Jerrabomberra Av after representations by a local petition group. 99
- August 1967: The section of the Monaro Highway within in the ACT was the first road in the Territory in which a speed of more than 50 MPH is permitted. The Department of the Interior announced the new limit would be 60 MPH. 100
- February 1972: Speed limit reduced from 40 MPH to 35 MPH approaching the junction with Hindmarsh Drive. 101
- December 1982: Completion of reconstruction of 2.5 km of Monaro Hwy between Johnson Dr and the ACT-NSW Border. The work included a new 2-lane road with overtaking lane and a new bridge across Tuggeranong Creek, which replaced a narrow bridge. 102
- February 1983: Monaro Hwy and Johnson Dr intersection upgrade works underway. 103
- 1985: Reconstruction of Monaro Hwy at Williamsdale. 104
- February 1988: Work started on Eastern Parkway project (Monaro Hwy) with the relocation of Hindmarsh Dr between Jerrabomberra Av and Canberra Av to allow construction of interchange and highway at Canberra Av / Ipswich St junction. 105
- 22 November 1989: Opening of interchange of Canberra Avenue, Ipswich Street and Monaro Highway at Fyshwick. This also included the rerouting of NR23 between Sturt Avenue at the interchange. 106
- 11 November 1992: Monaro Highway name gazetted. 107
- March 2011: Work started on duplicating Monaro Hwy bridge over Canberra Av. 108
- August 2012: Work completed on duplicating Monaro Hwy bridge over Canberra Av. Work included construction of a new southbound carriageway and pavement overlay of the existing Northbound carriageway, construction of two Super T Girder bridges over rail and a cast insitu box girder bridge over Canberra Avenue, installation of bridge safety screens for the bridges over Canberra Avenue, 150 metre reinforced earth retaining wall, the demolition of an existing railway over bridge, modification to an existing reinforced earth retaining wall and relocation of a 1283 millimetre diameter bulk watermain supply across Ipswich Street. The upgrade was the final link in the duplication of the Monaro Highway. 108
1 Canberra - Yesterday, Today & Tomorrow, John Overall, p. 12, ISBN 0-9593910-6-1
2 ACT Planning & Land Authority, Place Name Search, Northbourne Avenue
3 Canberra Times, Page 4, 2 October 1937
4 Canberra Times, Page 4, 18 April 1946
5 Canberra Times, Page 2, 15 October 1951
6 Canberra Times, Page 14, 17 May 1957
7 Canberra Times, Page 3, 20 October 1959
8 Canberra Times, Page 2, 5 April 1960
9 Canberra Times, Page 10, 9 August 1962
10 Canberra Times, Page 3, 30 June 1964
11 Canberra Times, Page 9, 24 August 1965
12 Canberra Times, Page 1, 23 October 1965
13 Canberra Times, Page 4, 27 October 1965
14 Canberra Times, Page 8, 8 April 1966
15 Canberra Times, Page 3, 27 August 1966
16 Canberra Times, Page 3, 12 November 1966
17 Canberra Times, Page 8, 9 December 1968
18 Canberra Times, Page 7, 5 May 1969
19 Canberra Times, Page 9, 11 July 1969
20 Canberra Times, Page 7, 28 March 1970
21 Canberra Times, Page 7, 22 July 1974
22 Canberra Times, Page 7, 22 July 1974
23 ACT Planning & Land Authority, Place Name Search, Vernon Circle
24 Canberra Times, Page 2, 5 April 1960
25 Canberra Times, Page 7, 5 May 1969
26 Canberra Times, Page 15, 30 September 1960
27 ACT Heritage Library, ImagesACT, Second Commonwealth Avenue Bridge
28 Canberra’s Engineering Heritage, 2nd edition, 1990
29 Northern Star, Page 7, 6 August 1923
30 Canberra Times, Page 1, 25 March 1929
31 Canberra Times, Page 4, 31 October 1929
32 Canberra Times, Page 2, 4 June 1945
33 Canberra Times, Page 3, 25 September 1945
34 Canberra Times, Page 3, 2 April 1946
35 Canberra Times, Page 4, 1 April 1947
36 Canberra Times, Page 5, 3 July 1958
37 Canberra Times, Page 3, 3 March 1960
38 Canberra Times, Page 9, 5 May 1961
39 Canberra Times, Page 3, 14 November 1961
40 Canberra Times, Page 6, 16 February 1962
41 Canberra Times, Page 1, 29 March 1962
42 Canberra Times, Page 31, 7 March 1963
43 Canberra Times, Page 3, 7 May 1963
44 Canberra Times, Page 1, 10 September 1963
45 Canberra Times, Page 1, 31 October 1963
46 ACT Heritage Library, ImagesACT, Commonwealth Avenue bridge, with Scotts Crossing in the foreground, the Albert Hall at left and the Canadian flagpole at Regatta Point at right
47 Canberra Times, Page 8, 19 January 1965
48 Canberra Times, Page 3, 21 June 1965
49 Canberra Times, Page 3, 2 October 1965
50 Canberra Times, Page 8, 5 June 1969
51 Canberra Times, Page 3, 27 June 1969
52 Canberra Times,
53 ACT Planning & Land Authority, Place Name Search, Commonwealth Avenue
54 Canberra Times, Page 10, 30 April 1984
55 ACT Planning & Land Authority, Place Name Search, State Circle
56 Canberra Times, Page 10, 18 October 1958
57 Canberra Times, Page 2, 14 February 1959
58 Canberra Times, Page 3, 3 March 1960
59 Canberra Times, Page 19, 22 October 1968
60 Canberra Times, Page 8, 9 April 1969
61 Canberra Times, Page 1, 28 May 1969
62 Canberra Times, Page 1, 25 November 1969
63 Canberra Times, Page 3, 24 February 1970
64 Canberra Times, Page 1, 7 September 1970
65 Canberra Times, Page 6, 7 January 1983
66 Canberra Times, Page 8, 18 April 1983
67 Canberra Times, Page 11, 17 September 1983
68 Canberra Times, Page 10, 2 March 1987
69 Canberra Times, Page 7, 29 September 1987
70 Canberra Times, Page 8, 3 August 1971
71 Canberra Times, Page 8, 15 December 1971
72 Canberra Times, Page 3, 8 March 1974
73 ACT Planning & Land Authority, Place Name Search, Capital Circle
74 Canberra Times, Page 8, 18 April 1983
75 Canberra Times, Page 9, 25 October 1984
76 Canberra Times, Page 9, 25 October 1984
77 Canberra Times, Page 14, 12 October 1986
78 Canberra Times, Page 1, 12 December 1986
79 ACT Planning & Land Authority, Place Name Search, Canberra Avenue
80 Capital Hill Apartments, History
81 Canberra Times, Page 2, 28 February 1952
82 Canberra Times, Page 4, 16 May 1953
83 Canberra Times, Page 6, 16 February 1962
84 Canberra Times, Page 8, 10 June 1965
85 Canberra Times, Page 1, 6 December 1965
86 Canberra Times, Page 10, 21 December 1965
87 Canberra Times, Page 10, 20 September 1968
88 Canberra Times, Page 1, 30 January 1976
89 Canberra Times, Page 3, 30 July 1976
90 Canberra Times, Page 7, 6 May 1977
91 Canberra Times, Page 3, 15 August 1979
92 Canberra Times, Page 6, 16 April 1982
93 Canberra Times, Page 9, 6 February 1988
94 Canberra Times, Page 5, 22 November 1989
95 ACT Planning & Land Authority, Place Name Search, Hume Place
96 Canberra Times, Page 6, 12 March 1960
97 Canberra Times, Page 8, 20 December 1960
98 Canberra Times, Page 3, 21 October 1958
99 Canberra Times, Page 12, 21 February 1964
100 Canberra Times, Page 3, 25 August 1967
101 Canberra Times, Page 1, 23 February 1972
102 Canberra Times, Page 3, 23 December 1982
103 Canberra Times, Page 3, 16 February 1983
104 Canberra Times, Page 8, 7 June 1985
105 Canberra Times, Page 9, 6 February 1988
106 Canberra Times, Page 5, 22 November 1989
107 ACT Planning & Land Authority, Place Name Search, Monaro Highway
108 BMD Constructions, Monaro Highway Duplication
Last updated: 05-Feb-2019 22:28
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