Highways in Australia

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Aerial view of Tuggeranong Parkway in the Australian Capital Territory. Tuggeranong Parkway.jpg
Aerial view of Tuggeranong Parkway in the Australian Capital Territory.
Deer Park Bypass on the Western Freeway. Deer Park Bypass eastbound at Western Ring Road.jpg
Deer Park Bypass on the Western Freeway.
The Tasman Highway in Tasmania. Tasman-hwy-warrane.jpg
The Tasman Highway in Tasmania.

Highways in Australia are generally high capacity roads managed by state and territory government agencies, though Australia's federal government contributes funding for important links between capital cities and major regional centres. Prior to European settlement, the earliest needs for trade and travel were met by narrow bush tracks, used by tribes of Indigenous Australians. The formal construction of roads began in 1788, after the founding of the colony of New South Wales, and a network of three major roads across the colony emerged by the 1820s. Similar road networks were established in the other colonies of Australia. Road construction programs in the early 19th century were generally underfunded, as they were dependent on government budgets, loans, and tolls; while there was a huge increase in road usage, due to the Australian gold rushes. Local government authorities, often known as Road Boards, were therefore established to be primarily responsible for funding and undertaking road construction and maintenance. The early 1900s saw both the increasingly widespread use of motorised transportation, and the creation of state road authorities in each state, between 1913 and 1926. These authorities managed each state's road network, with the main arterial roads controlled and maintained by the state, and other roads remaining the responsibility of local governments. The federal government became involved in road funding in the 1920s, distributing funding to the states. The depression of the 1930s slowed the funding and development of the major road network until the onset on World War II. Supply roads leading to the north of the country were considered vital, resulting in the construction of Barkly, Stuart, and Eyre Highways.

Contents

The decades following the war saw substantial improvements to the network, with freeways established in cities, many major highways sealed, development of roads in northern Queensland and Western Australia under the Beef Cattle Roads Grants Acts, and interstate routes between Sydney and Melbourne upgraded. In 1974, the federal government assumed responsibility for funding the nations most important road links, between state and territory capitals cities, which were declared National Highways. Some sections of the 16,000-kilometre-long (9,900 mi) National Highway system were no more than dirt tracks, while others were four lane dual carriageways. The network was gradually improved, and by 1989, all gravel road sections had been sealed. In the following decades, the National Highway system was amended through legislation, and was eventually superseded in 2005 by the broader National Land Transport Network, which included connections to major commercial centres, and intermodal freight transport facilities.

The first route marking system was introduced in the 1950s by the Conference of State Road Authorities, which later became the National Association of Australian State Road Authorities (NAASRA) and then Austroads. National Routes were assigned to significant interstate routes "which, both now and in the future, comprise the more important arteries of road communications throughout Australia in all its aspects". [1] East–west routes were planned to have even numbers, increasing from south to north, while north–south routes would have odd numbers, with numbers increasing from east to west. National Route 1 would be an exception, as a "circumferential route along the coastline of Australia". [1] A state route marking systems was designed to supplement the national system, for inter-regional and urban routes within states. Each state could choose their own numbering scheme, as long as National Route and State Route numbers weren't duplicated in the same state, or nearby routes in another state. [1] When the National Highway system was introduced, National Routes along it became National Highway routes with the same numbers, but with distinctive green and gold route markers. During the 1990s, planning began for a new alphanumeric route system. [2] Alphanumeric routes have been introduced in most states and territories in Australia, partially or completely replacing the previous systems. [3]

History

The earliest needs for trade and travel were met by narrow bush tracks, used by tribes of Indigenous Australian prior to European settlement. The formal construction of roads began in 1788, after the founding of the colony of New South Wales. These roads were little more than cleared paths, constructed without grading, drainage systems, and road surfaces. [4] There was no system wide planning for roads, with the Surveyor-General's 1788 proposed town plan dismissed as being too ostentatious; however, the arrival of Governor Macquarie in 1810 led to a planned system for roads and bridges, prior to actual settlement of areas, financed from government funds, public subscription, and tolls. By the end of his term in 1822, the colony had a network of three major roads, with the Great Western Road as the most important link, traversing the Blue Mountains from Sydney to Bathurst. Similar road networks were established in the other colonies of Australia. [5]

Road construction programs in the early 19th century were generally underfunded, as they were dependent on government budgets, loans, tolls and public subscription. This problem was exacerbated by the huge increase in road usage, due to the Australian gold rushes. Local government authorities were therefore established as authorities primarily responsible for funding and undertaking road construction and maintenance. The increasing amount of motorised transportation in the early 1900s lead to another major increase in traffic levels. The vehicles also required higher standard of roads. [5] State road authorities were established in each state between 1913 and 1926. [4] [5] These authorities managed each state's road network, with the main arterial roads controlled and maintained by the state, and other roads remaining the responsibility of local governments. Though legislation differed in each state, highways were generally established as a subset of state controlled roads, which were the most important links between major cities, towns, and regional centres.

The federal government became involved in road funding in the 1920s. The Public Works Act was passed in 1922, which distributed $500,000 to the states according to population levels, conditional on states matching funding on a "dollar for dollar basis". The funds were specifically aimed at maintenance of roads outside of metropolitan cities, and state expenditure needed federal government approval; however, the primary purpose of the act was to reduce unemployment. [4] [5] The Main Roads Development Act of 1923 made $1 million available for road construction, [4] and specific road projects were funded under the Federal Aid Roads Act of 1926. [5] The 1931 Federal Aid Roads Act removed matching conditions, and were less restrictive on the way the money was used due to poor economic conditions resulting from the depression of the 1930s. Funding conditions remained at this lower level until 1959. [5]

The depression of the 1930s slowed the funding and development of the major road network until the onset on World War II. Supply roads leading to the north of the country were considered vital, leading to the construction of Barkly, Stuart, and Eyre highways. Over 960 kilometres of the Stuart Highway, from Tennant Creek to Darwin, was upgraded from an often impassable track to an all-weather sealed highway that could cope with heavy military traffic. The Eyre Highway across the Nullarbor was formed just by grading the surface material. [4] [5]

The decades following the war saw substantial improvements to the network, with freeways established in cities, many major highways sealed, development of roads in northern Queensland and Western Australia under the Beef Cattle Roads Grants Acts. The interstate routes between Sydney and Melbourne were upgraded with the first four lane dual carriageway section of the Hume Highway opening in 1961, and the completed sealing of the Princes Highway between the two cities in 1966. Large mining developments in the Pilbara region of Western Australia were undertaken lead to the improvement of the North West Coastal Highway from Carnarvon to Port Hedland, a project that involved building 30 bridges in a decade. [4]

In 1974, the federal government assumed responsibility for funding the nations most important road links. Under the National Roads Act 1974, the most important roads between state and territory capitals cities were declared National Highways. The federal government fully funded construction and maintenance works undertaken by the states on these roads. [4] The 16,000 kilometres (9,900 mi) of roads included in the original National Highway system varied greatly in quality. Some sections were no more than dirt tracks, whilst others were four lane dual carriageways. While 12,496 kilometres (7,765 mi) was sealed, there was also 3,807 kilometres (2,366 mi) of gravel roads. The National Highway was gradually improved, with the sealed proportion increased from 73 per cent in the early 1970s to 88 per cent by 1981. The sealing works were completed in 1989. [6] :21–23

In 1988, the National Highway became redefined under the Australian Land Transport Development (ALTD) Act of 1988, [7] which had various amendments up to 2003. The 1988 Act also defined a category of "Road of National Importance", which were partly funded by federal government. The Introduction of the AusLink (National Land Transport) Act in 2005 superseded the National Highway and Roads of National Importance classifications, which were replaced by the National Land Transport Network. The criteria for inclusion in the network was similar to the previous legislation, but expanded to include connections to major commercial centres, and inter-modal freight transport facilities. [8] All of the roads included in National Land Transport Network as of 2005 were formally defined by regulation in October 2005. [9] Auslink has since been replaced with subsequent legislation under the federal government's Nation Building Program, which includes the National Land Transport Network. [10] The National Highways road routes developed under the former system are still designated as National Highways on route markers and road guidance signs. However, the new alphanumeric route numbering system introduced to New South Wales and the ACT in 2013 does not distinguish between the former National Highways and other routes. VicRoads have, as of September 2013, similarly deprecated the National Highway route marker in favour of standard routes. [11]

Route numbering systems

Roads routes in Australia assist drivers navigating roads throughout the country, by identifying important through-routes. The first route marking system was introduced to Australia in the 1950s. National Routes were assigned to significant interstate routes – the most important road links in the country. National Route 1 was designated to a circular route around the Australian coastline. A state route marking system was designed to supplement the national system, for inter-regional and urban routes within states. [1] When the National Highway system was introduced, National Routes along it became National Highway routes with the same numbers, but with distinctive green and gold route markers. Alphanumeric routes were introduced in Tasmania in 1979, [12] and during the 1990s, planning began for nationally consistent route markings, using the alphanumeric system. [2] Alphanumeric routes have been introduced in most states and territories in Australia, partially or completely replacing the previous systems. [3]

Route types currently in use by State/Territory
State/TerritoryAUS Alphanumeric Route A1.svg
Alphanumeric
Australian national highway A1.svg
National Highway
(alphanumeric)
Australian national highway 1.svg
National Highway
(numeric)
Australian national route 1.svg
National Routes
Australian state route 1.svg
State Routes
AUS Metroad 1.svg
Metroad
Australian Tourist Drive 1.svg
Tourist Drive
Australian Capital TerritoryYesNoNoNoNoNoPartial [lower-alpha 1]
New South WalesYesNoNoNoNo [lower-alpha 2] NoYes
Northern TerritoryPartial [lower-alpha 3] NoPartial [lower-alpha 4] Partial [lower-alpha 5] Partial [lower-alpha 5] NoNo
QueenslandYesPartial [lower-alpha 6] Partial [lower-alpha 7] YesYesPartial [lower-alpha 8] Yes
South AustraliaYesPartial [lower-alpha 6] NoNoNoNoYes
TasmaniaYesNoPartial [lower-alpha 9] NoNoNoNo
VictoriaYesPartial [lower-alpha 6] NoPartial [lower-alpha 10] Partial [lower-alpha 11] NoYes
Western AustraliaNoNoYesYesYesNoYes

National Routes and Highways

Route markers
Australian national highway 1.svg
National Highway 1
Australian national route 13.svg
National Route 13
Australian state route 66.svg
State Route 66

In 1955, the Australian National Route Numbering System was introduced to simplify navigation across Australia. The National Route Numbers are marked by white shields that are present in directional signs, distance signs or trailblazers. The general rule was that odd-numbered highways travel in north–south directions and even-numbered highways in east–west directions, with only a few exceptions. National Route 1 was assigned to a network of highways and roads, which together linked all capital cities and coastal towns circumnavigating the mainland. The National Route system initially linked the centres of towns and cities and terminated at the junction of other national routes, however many bypasses have been constructed since then. National Routes often terminated at the metropolitan city limits rather than the individual city centres. [1]

In 1974, the federal government assumed responsibility for funding the nations most important road links, with the introduction of the National Highway. [4] These highways were marked with distinctive green and gold route marker shields instead of the plain National Route shield. Though the National Highway system has been superseded in subsequent legislation, National Highway route markers are still used on many of the routes. Additionally, National Highways and National Routes have been phased out, or are in the process of being phased out, in all states and territories except Western Australia, in favour of the alphanumeric system. [13] [14] [15]

State Routes

Important urban and inter-regional routes not covered by the National Highway or National Route systems are marked under the State Route system. They can be recognised by blue shield markers. They were practically adopted in all states by the end of the 1980s, and in some states, some less important National Routes were downgraded to State Routes. Each state has or had its own numbering scheme, but do not duplicate National Route numbers in the same state, or nearby routes in another state. [1] As with the National Routes and National Highways, State Routes are being phased out in most states and territories in favour of alphanumeric routes. [13] [14] [15] [16] However, despite the fact that Victoria has fully adopted alphanumeric routes in regional areas, state route numbers are still used extensively within the city of Melbourne as a part of its Metropolitan Route Numbering Scheme. [17]

Metroads

Metroad route marker; no longer in full use and completely replaced in Sydney AUS Metroad 5.svg
Metroad route marker; no longer in full use and completely replaced in Sydney

In the 1990s in Sydney and Brisbane, urban route numbering system were streamlined under the Metroad scheme. Metroad route numbers were assigned to the key navigational corridors, along ring and radial routes, and marked by distinctive hexagonal shields. [16] Most Metroads have been partially replaced with alphanumeric routes in Brisbane, and they have been completely replaced in Sydney. [16]

Alphanumeric routes

Alphanumeric markers
Australian national highway M80.svg
Alphanumeric, National Highway (old signs in QLD, SA and VIC)
AUS Alphanumeric Route B83.svg
Alphanumeric, borderless (ACT, NSW, QLD, SA, TAS & VIC)
New South Wales alphanumeric route A22.svg
Alphanumeric, with border (old signs in ACT and NSW)

Tasmania introduced an alphanumeric route numbering system in 1979, based on the British system from 1963. The new system aimed to upgrade the signing of destinations, including previously unmarked roads, and to simplify navigation by allowing visitors to follow numbered routes. National Highway 1 was retained as the only route without an alphanumeric designation. [12] In the 1990s Victoria and South Australia also overhauled their systems. [18] While South Australia discarded the National and State Route Numbering Systems, those shield-based schemes were retained in the Melbourne metropolitan area as the Metropolitan Route Numbering Scheme. [17] The route numbers used in the alphanumeric schemes were generally inherited from the original National Route Numbering System, with only a few exceptions, and prefixed with letters denoting their grade. For example, Western Freeway is M8 until Ballarat and continues beyond as A8 Western Highway. They are not used extensively in the Melbourne metropolitan area where the blue-shield metropolitan route system is retained for most routes. The National Highways were retained, until 2013, [11] but with the route numbers changed to alphanumeric designations.

New South Wales and the Australian Capital Territory [lower-alpha 12] introduced the alphanumeric system from early 2013. [13] Before being officially announced, new road signs were fitted with such numbers and then being "coverplated" with the existing route number. However, the new system does not distinguish between the former National Highways and other routes.

Alphanumeric routes have also been introduced for many major highways and urban routes in Queensland, although many other roads retain markers from the National Route, National Highway, State and Metroad numbering systems. According to the New South Wales Roads and Maritime Services, the Northern Territory has similarly begun converting their numbered routes to alphanumeric routes, with a "progressive replacement" scheme that sees alphanumeric route markers introduced only when signs are replaced. [16] At this stage, 4 routes have been fully signed while another one is missing the prefix letter in all of its signs. While there are no immediate plans to introduce an alphanumeric route numbering system in Western Australia, it will begin converting once additional funds become available in the future. [15]

Prefix letters

In the alphanumeric systems, a letter denoting the route's construction standard and function is prefixed to the route number, creating an alphanumeric route designation. One of six letters may be used:

  • "M" routes are primary traffic routes, called motorways in some states. These are typically dual carriageway, freeway-standard highways, but may also be used for rural roads that are nearly at freeway-standard, [19] or at least are dual carriageways. [17]
  • "A" routes are other primary highways, including urban arterials [19] and interstate or interregional single carriageways. [17] [19]
  • "B" routes are less significant routes, either as an alternative to an "A" or "M" route, or linking smaller population centres to larger regional centres, but without being a major through-route in the region. [19] These are the major road links in areas without "A" routes. [17]
  • "C" routes link smaller settlements and towns to the rest of the major road network. [17] They are used for roads without the significance of an "M", "A", or "B" route, but where numbering would assist navigation. [19]
  • "D" routes are detour routes. These are only used in New South Wales with only two routes New South Wales detour route D1.svg and New South Wales detour route D5.svg
  • "R" routes are ring routes only used in South Australia with only one route AUS Alphanumeric Route R1.svg
  • "ALT A" routes are alternative "A" routes only used in Queensland
Alphanumeric prefix letters in use by State/Territory
State/TerritoryM - AUS Alphanumeric Route M1.svgA - AUS Alphanumeric Route A1.svgB - AUS Alphanumeric Route B1.svgC - AUS Alphanumeric Route C1.svgD - AUS Alphanumeric Route D1.svgR - AUS Alphanumeric Route R1.svgALT A - AUS Alphanumeric Route ALTA2.svg
ACTYesYesYesNoNoNoNo
NSWYesYesYesNoYesNoNo
NTNoYesYesYesNoNoNo
QLDYesYesNoNoNoNoYes
SAYesYesYesPartial [lower-alpha 13] Partial [lower-alpha 14] YesNo
TASNoYesYesYesNoNoNo
VICYesYesYesYesNoNoNo

Classification

Australia's major roads are managed by the states and territories. While some state road authorities use a road hierarchy with Highway as the highest classification, the classification of state-controlled roads varies between states, with differing classification names, definitions, and number of levels in the hierarchy. Road names do not necessarily correspond to classifications – for example, Great Southern Highway is not classified as a highway. A highway, or other classification level, may be composed of multiple named roads, and a single road name may have varying classifications along its length. Internal numbering schemes for such classifications do not necessarily relate to designated road routes – for example, Great Western Highway is Highway 5 for administrative purposes but is signposted as part of route A32.

Australian Capital Territory

The ACT classifies its roads into four groups, depending on its physical properties and role within the road network: [20]

New South Wales

In New South Wales, sections 46, 47, 50 and 51 of the Roads Act 1993 provide for the classifications of Highway, Main Road, Secondary Road or Tourist Road. [21]

Northern Territory

In the Northern Territory, major roads are classified into three categories: National Highway, Arterial Roads, and Secondary Roads. [22]

Queensland

In Queensland, roads are classified as: National Network Roads, State Strategic Roads, Regional Roads, or District Roads. [23]

South Australia

South Australia's Department of Planning, Transport and Infrastructure (DPTI) classifies state-controlled roads into three categories: National Land Transport Network; DPTI Maintained Road, Sealed; and DPTI Maintained Road, Unsealed. [24]

Tasmania

In Tasmania, the most important state and regional connections, totalling 3,650 kilometres (2,270 mi), are state-owned roads, which are further classified into a road hierarchy. [25] :3–4 The hierarchy consists of:

Victoria

In Victoria, major roads are designated as either freeways (including tollways) or arterial roads (including other tolled roads), under section 17 subsection 1 of the Road Management Act 2004, [26] and under the same act, section 14 subsection 1, VicRoads is named as the controlling authority in designating major roads as either freeways or arterial roads. [26]

Western Australia

In Western Australia, roads controlled and maintained by the state road authority, Main Roads Western Australia, are either highways or Main Roads. Any road or section of road may be proclaimed a highway by the Governor of Western Australia, on the recommendation of the Commissioner of Main Roads, under Section 13 of the Main Roads Act 1930. [27] Section 14 of the act allows for the creation of new highways. [27] As well as this legal classification scheme, Main Roads Western Australia also classifies roads by the following functional hierarchy: [28]

Other classifications processes exist for planning, administrative, financial, and asset management purposes. [28]

Federally funded highways

The federal government contributes funding for the following road links, which make up the national road network, under the Nation Building Program. [30]

See also

Notes

  1. The ACT will not be implementing tourist drive markers on new signs but the old signs will not be coverplated).
  2. However, the NSW extension of the Gold Coast Highway remains signed as State Route 2 for consistency with the Queensland section.
  3. Alphanumeric route markers are introduced only when signs are replaced. However, there are only some routes to be fully signed
  4. Most signs have been replaced by alphanumeric road routes.
  5. 1 2 The Northern Territory will no longer place new National Highway, Routes or State Routes due to conversion to the alphanumeric system.
  6. 1 2 3 Since September 2013, the National Highway system has been slowly phased out in favour of standard routes. Standard alphanumeric route markers are introduced only when National Highway signs are replaced.
  7. QLD's only National Highway Australian national highway 15.svg has been slowly replaced by alphanumeric markers. However, the change will only appear on new signs
  8. Most Metroads have been replaced, with only parts of Metroad 2 and 5 remaining. See Metroad#Brisbane Metroads.
  9. Signage retained on National Highway 1 in Tasmania.
  10. Signage retained on National Alternative Route 1 in Melbourne.
  11. Implementation restricted to Greater Melbourne only as State Routes have been replaced in regional areas. Refer to list of road routes in Victoria (numeric).
  12. The only numbered roads in the Australian Capital Territory are interstate highways from NSW and their interconnecting thoroughfares, as the Australian Capital Territory does not number its other highway or freeway grade roads.
  13. South Australia only uses C routes that connect to Victoria.
  14. South Australia has four D routes, but none of them have been signed.

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References

  1. 1 2 3 4 5 6 National Association of Australian State Road Authorities (1976), Guide to the publication and policies of N.A.A.S.R.A. : current at December 1975 (10th ed.), Sydney
  2. 1 2 Austroads (1997), Towards a Nationally Consistent Approach to Route Marking
  3. 1 2 Roads And Maritime Services (25 February 2013). "Questions and answers: A better way to navigate NSW roads" (PDF). Government of New South Wales. p. 9. Archived (PDF) from the original on 17 November 2013. Retrieved 17 November 2013. Most States and Territories in Australia are moving to an alpha-numeric road numbering system.
  4. 1 2 3 4 5 6 7 8 "A History of Australian Road and Rail" (PDF). Department of Infrastructure and Transport, Australian Government. Archived from the original (PDF) on 17 March 2012. Retrieved 28 March 2013.
  5. 1 2 3 4 5 6 7 "History Of Roads In Australia". 1301.0 - Year Book Australia, 1974. Australian Bureau of Statistics. 25 January 1974. Retrieved 28 March 2013.
  6. Australian National Audit Office (8 February 2001). Management of the National Highways System Program (PDF). Canberra ACT: Commonwealth of Australia. ISBN   0642442509. Archived from the original (PDF) on 12 February 2014. Retrieved 28 March 2013.
  7. "'Australian Land Transport Development (ALTD) Act 1988'".
  8. "AusLink (National Land Transport) Act 2005". 8 July 2005. Retrieved 29 March 2013.
  9. "'AusLink (National Land Transport) Act National Land Transport Network Determination 2005 (No. 1)'". 10 October 2005. Retrieved 23 September 2012.
  10. NATION BUILDING PROGRAM (NATIONAL LAND TRANSPORT) ACT 2009
  11. 1 2 VicRoads (September 2013). "Direction Signs and Route Numbering (non-Freeway)". Traffic Engineering Manual (3 ed.). State Government of Victoria. p. 34. Archived from the original (PDF) on 19 December 2014. The use of National Highway shields for routes M/A8, A20, M31, M/A39 and M80 has been discontinued. They are now signed in the same way as other alphanumeric routes
  12. 1 2 Department of Primary Industries, Parks, Water & Environment (January 2014). "Tasmanian Road Route Codes: Route descriptions and focal points" (PDF). Version 2.7. Government of Tasmania. pp. 6, 60–64. Archived from the original (PDF) on 14 July 2014. Retrieved 10 April 2014.{{cite web}}: CS1 maint: multiple names: authors list (link)
  13. 1 2 3 Roads and Maritime Services (26 November 2012). "Alpha-numeric route numbers - Road Projects - Roads and Maritime Services" . Retrieved 17 December 2012.
  14. 1 2 Queensland Department of Transport and Main Roads. "Mutcd 2003 Amend 8 Part 15D" (PDF). Archived from the original (PDF) on 5 October 2013. Retrieved 3 October 2013.
  15. 1 2 3 Main Roads Western Australia (21 September 2011). "Route Numbering". Guidelines for Direction Signs in the Perth Metropolitan Area. Government of Western Australia. Archived from the original on 21 October 2013. Retrieved 17 November 2013. Main Roads has chosen to retain the shield numbering system
  16. 1 2 3 4 Roads and Maritime Services. "Questions and answers: A better way to navigate NSW roads" (PDF). New South Wales Government. Archived (PDF) from the original on 16 May 2014. Retrieved 16 May 2014.
  17. 1 2 3 4 5 6 VicRoads (2001). "Direction Signs and Route Numbering (non-Freeway)" (PDF). Traffic Engineering Manual, Chapter 2 - Edition 1. Government of Victoria. pp. 21–35. Archived from the original (PDF) on 6 April 2016. Retrieved 10 May 2014.
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Further reading