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Motorway is a term for both a type of road and a classification or designation. Motorways are high capacity roads designed to carry fast motor traffic. In the United Kingdom they are predominantly dual-carriageway roads, with a minimum of two lanes in each direction (typically three, and up to six on the Western section of the M25). They are grade-separated and may only be accessed at grade-separated junctions. Motorways are identical to freeways as a road type, and comparable to the United States's Interstate Highways as a classification.

In English-speaking countries the term is used in the United Kingdom (a motorway is also called a traffordd (plural: traffyrdd) in Welsh), parts of Australia, New Zealand, Pakistan, some other Commonwealth nations, and Ireland (a motorway is also called a mótarbhealach (plural: mótarbhealaí) in Irish). In Ireland, a road built to motorway standard, but without the designation (and the regulations and traffic restrictions resulting from that designation), is known as a High-quality dual carriageway.

Contents

Regulations and features

M25 which encircles London]]

In Ireland, Hungary and the UK, motorways are denoted by an 'M', prefixed (e.g. M1) or suffixed (e.g. A1(M)) road number and blue signage, distinguishing them from A-roads or N-roads, which are signed in green. This is at odds with some countries in Europe, where the colours are reversed. In New Zealand, motorways are distinguished from regular state highways with the word 'Motorway' on entrance signage. New Zealand's motorways had green signage while everywhere else had black, until green signage was spread to the entire State Highway network by Transit New Zealand.

The construction and surfacing of motorways is generally of a higher standard than conventional roads, and maintenance is carried out more frequently; in particular, motorways drain water very quickly to reduce hydroplaning/aquaplaning. The road surface is generally asphalt concrete (popularly referred to as tarmac) or portland cement concrete. Other features are crash barriers, cat's eyes and, increasingly, textured road markings (a similar concept to rumble-strips).

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Common criteria

For a road to be classified as motorway a number of conditions must be fulfilled. Although they may vary from country to country, the following conditions generally apply:

  • To be a dual-carriageway
  • Accessed at junctions by slip roads off the sides of the main carriageway;
  • Joined by link-roads at an interchange, the object of which is to allow traffic to change route without stopping or slowing significantly;
  • Traffic lights are not permitted (except at toll booths, certain interchanges and to control the number of vehicles entering the motorway from the slip road during busy periods) - see ramp meter;
  • Have signposted entry and exit points at the start and end;
  • Certain types of transport are banned, typically pedestrians, bicycles, learner drivers, horses, agricultural vehicles, underpowered vehicles (e.g. small scooters, invalid carriages). In the Republic of Ireland, the "Motorway Ahead" sign at every motorway junction lists the excluded classes of vehicles (this sign was also formerly used in the United Kingdom - from which the Irish version is based - but has been almost entirely phased out). Currently in the UK, the last junction a road becomes a motorway is signed for 'prohibited traffic'. In most Australian states, a sign for "Motorway Entrance" or "Freeway Entrance" was traditionally put at the start of these roads, but these too are being phased out. In New Zealand, a no pedestrians and no cycles sign precede the "Motorway Begins" sign.
File:M5 motorway at gordano in bristol
The southbound M5 motorway near Bristol, showing typical British motorway signage

In the UK and the Republic of Ireland there are further restrictions:

  • The central reservation with a continuous crash barrier (an exception being the Aston Expressway in Birmingham which has an empty lane instead and a section of the M40 in Warwickshire, with an unusually wide grass verge separating the carriageways). With effect from January 2005 and based primarily on safety grounds, the UK’s Highways Agency's policy is that all new motorway schemes are to use high containment concrete step barriers in the central reserve.[1] All existing motorways will introduce concrete barriers into the central reserve as part of ongoing upgrades and through replacement as and when these systems have reached the end of their useful life. This change of policy applies only to barriers in the central reserve of high speed roads and not to verge side barriers. Other routes will continue to use steel barriers. The Republic of Ireland has similarly introduced concrete barriers instead of its former policy of wide grass medians (the UK and Ireland share the same Design Manual for Roads and Bridges).
  • Emergency telephones (which connect directly to the police, except in England[2] where they connect you directly to the nearest Highways Agency Regional Control Centre who will send either their own officers (HATO's) or other emergency services as required) are provided at a regular intervals (in the UK emergency telephones are situated at intervals of 1 mile, and at 1 km in Ireland)
  • no roundabouts apart from at the start and finish (some exceptions)[3]
  • Hard shoulder available most of the time
  • Other roads are connected at motorway interchanges only. No roads join at any other point except for maintenance access.
  • Most junctions are numbered

Note that these only apply to roads directly designated as motorways. Roads may also be indirectly designated as such, see Inheritance below.

Traffic on a motorway is required to keep moving, except in exceptional circumstances (cases where traffic queues have built up, the vehicle has broken down, or the driver has been instructed to stop by a police officer). A minimum speed limit of 50 km/h (30 mph) applies in the Republic of Ireland. Traffic lights are very rarely present on motorways, but where they are installed (for example, at Junction 3 of the M50 in Ireland), they must be obeyed.

A motorway in the UK, whether by design or inheritance, must have a Statutory Instrument (SI) defining a stretch of road and sliproads as a special road under the Highways Act 1980. In the Republic of Ireland, a Motorway Scheme must be made under the Roads Act 1993 prior to the road's construction. Alternatively, a Statutory Instrument defining the stretch of road as a motorway may also be made under the Roads Act 2007, however this process may only be used for high quality dual carriageways either open, in planning, or under construction on the day the Act was signed into law.

Speed limits

on Britain's westbound M4]]

Motorway safety is significantly higher than that of other roads, and the speed limits correspondingly higher, although some types of vehicle, such as heavy goods vehicles, may be subject to lower limits.

In the United Kingdom the speed limit for motorways and some dual-carriageways is 70 mph (110 km/h). Many HGV's are restricted to 56 mph (90 km/h). UK motorways originally had no speed limit, and were designed for traffic travelling up to 100 mph (160 km/h).[citation needed] Although the design speed of 100 mph remains, the majority of UK motorways and dual carriageways are now subject to the national speed limit of 70 mph for motorcars and motorcycles; some may have lower limits for various local reasons. A UK Department for Transport (DfT) study at several sites in 2006 showed that over half of all motorway traffic was travelling in excess of this limit.[4] In 2004 the Conservative Party proposed increasing the motorway speed limit to 80 mph (130 km/h) on some stretches,[5] although this did not appear in their 2005 election manifesto.[6] The Association of British Drivers supported the proposal, as they claimed it more closely represents the normal (and, they claim, safe) driving practice of the majority of motorway users.[7]

In Ireland the speed limit for motorways and some dual-carriageways is 120 km/h (75 mph). In certain sections of motorway the speed limit is 100 km/h, however the vast majority of the network is 120 km/h.

In Pakistan, the speed limit on motorway was 140 km/h (87 mph) for light vehicles and 120 km/h (75 mph) for heavy vehicles; however later it was restricted to 120 km/h (75 mph) for light vehicles and 110 km/h (68 mph) for heavy vehicles.

In New Zealand the speed limit on motorways and other dual carriageways is normally the top limit for state highways, 100 km/h (62 mph), with restrictions in some areas, such as the Auckland Harbour Bridge and Central Motorway Junction (both have limits of 80 km/h (50 mph)).

In Turkey, the speed limit on motorways is 120 km/h.

Germany has no general speed limit on its motorways (Autobahn); there are only particular speed limits e.g. at dangerous sections, sections with traffic jam hazards, road works or at some motorways through cities.

In Poland, a February 2009 amendment in the Sejm has raised the expressway speed limits from 110 km/h (70 mph) to 120 km/h (75 mph), and on motorways from 130 km/h (81 mph) to 140 km/h (89 mph)

In Italy the speed limit on motorways generally is 130 km/h (80 mph), however it is 150 km/h (93 mph) on some good 3+3 lane motorways.

In France and Luxembourg the speed limit on motorways generally is 130 km/h, however it is 110 km/h in rain or if there is water on the road.

The lowest speed limit on motorways in any country in Europe is Norway, where the limit usually is 100 km/h (the basic speed limit is 80, but most motorways have been given 100 as limit).

In Hong Kong the speed limit ranges between 70 to 100 km/h. Only one expressway, the North Lantau Expressway that connects the Chek Lap Kok International Airport, has a speed limit at 110 km/h.

Lanes

road markings.]]

Most motorway carriageways comprise a main running surface, with a hard shoulder along one edge, and a median or central reservation separating it from the other carriageway along the other edge. The hard shoulder is generally provided for use in emergencies, such as breakdowns, only. However the M42 in the UK has a system whereby a small section of the hard shoulder can be used as an extra lane during busy periods.

The nearside edge (the edge up against the hard shoulder) of the running surface is marked with a solid white line, or in Ireland, a solid yellow line. The offside edge of the running surface (the edge nearest to the median) is marked with a solid white line. The running surface is divided into lanes by white dashed lines. On the M42 in the UK, the hard shoulder line is not textured because it is frequently used as a running lane.

In the UK and Ireland the lanes in a given direction are numbered sequentially from the nearside (hard shoulder) as lane 1, lane 2, lane 3, etc.

The lane closest to the hard shoulder is generally intended for normal steady driving, while the other lane or lanes, those closer to the median, are intended for overtaking or passing slower-moving vehicles. Vehicles are expected to use the nearside-most lane which is clear. The Highway Code for the UK states that vehicles must pass on the right, unless in heavy traffic or when turning left. Similar rules apply on German autobahns and in some other countries. In heavy traffic it may be acceptable to cruise in any lane and to pass slower vehicles on either side to avoid constant lane changes.

Junctions

The most basic motorway junction is a two-lane flyover with four slip-roads, two on each side of the motorway, to exit or enter. A simple crossroads or roundabout is present at each end of the flyover. A rather large version of a roundabout, using two curved flyovers, is sometimes used to present a single large junction for users of the slip-roads or crossing road. The slip roads leading off the motorway are known as 'exit sliproads', those leading onto the motorway as 'entry sliproads'. The precise sliproad at any junction may be identified by reference to the direction of the carriageway, for example 'northbound entry slip'.

The signal-controlled roundabout is often used in these situations and has become very common in Ireland. A far greater degree of complexity is present in Britain, with varying types of Spaghetti Junction-style interchanges.The M50 Western Parkway in Dublin is going through a major upgrade with spaghetti style junctions being introduced to relieve traffic congestion.

Motorway junctions are usually given a number, indicated in the UK and in Ireland with a white number on a black background in the corner of signs approaching that junction. The same junction number is used in both directions on the motorway. Sometimes, where a junction is newly inserted between two existent junctions, it will be given a letter also (e.g. 2A). In Ireland, the junction numbering has only been used consistently on the M50 since it was opened, however a junction numbering scheme is now being applied to all motorways. This has necessitated certain junctions being renumbered on the M7 (and, in future, on the M4). In Auckland, New Zealand, exit numbers are distance-based, and are indicated by a green sign reading "Exit XXX" (e.g. Exit 441) on top of exit signage.

In Ireland, when two motorways meet, it is often the end point/start point of one of the motorways. The motorway that is ending usually blends into the other at a restricted junction, permitting traffic to exit and enter the motorway from one direction only. Examples of this are the M4/M6 junction, the M7/M9 junction, and the under-construction M8/M7 junction. These junctions can cause frustration for road users, who must travel to the next available junction and then change direction to use the restricted exit.

Location and construction

Major intercity or national routes are often built or upgraded to motorway standard. Motorways are also commonly used for ring roads around cities or bypasses of built-up areas. In New Zealand, motorways tend to only occur in large cities, for purposes of taking commuters between the suburbs and the central city.

In Britain there are plans to improve many motorways as well as to upgrade some roads to motorway status. In Ireland, the National Roads Authority has been connecting main cities with motorways as part of a six-year National Development Plan. The European Union has part-funded many motorway projects in the past, as part of a Trans-European Transport Networks, and there are plans to invest billions of euro in such projects in the next ten years, though this could be postponed due to the current economic climate.

One of the most recently constructed motorways in the UK is the M6 Toll, bypassing Birmingham and Wolverhampton, which opened in 2004 and is the only completely toll motorway in England. There are tolled sections of motorway on the M4 and M48, where they cross the River Severn at the Severn crossings. Although the crossing of the River Thames east of London on the M25 is tolled, the bridge and tunnels themselves are officially designated the A282 to permit usage by non-motorway traffic. In Ireland, the M1, M4, and M50 are all tolled with sections of the M6 and M7 likely to face tolls also in the future. The M8 consists of two parts (at present), one of which is also tolled (designated M8(Toll) on signs).

Inheritance

In the UK and in Ireland certain types of traffic are not permitted on motorways. Thus, to avoid people being forced to travel illegally, there are a number of rules about stretches of road which must be designated as motorways.

In all cases, there must be an escape route for traffic not wishing or not permitted to enter the motorway. As a result, the motorway technically begins as soon as the escape route has diverged from it; for example at a grade-separated junction, the motorway starts at the junction with the exiting slip road, and the opposite slip road is also part of the motorway for this and the following reason. An exception was the A1(M) near Leeds, which was "illegal", as pedestrians could legally cross 300 yards from the start, but cyclists and other types of traffic not permitted on motorways had no way of turning back - the escape route was the Boot and Shoe a mile before. This is remedied by the A1(M) extension.

As a result, this creates a less-restrictive set of rules for the standard of the road. Roads whose only destination is a motorway must be assigned motorway status, notwithstanding the possibility of their not being built to normal motorway standards. For example, the A48(M) motorway outside Cardiff begins after the last exit to St Mellons, since by staying on the dual carriageway you cannot get anywhere other than the M4 eastbound; however, it is a motorway-grade highway.

Route numbering

Great Britain

In England and Wales, the numbers of major motorways followed a numbering system separate to that of the A-road network, though based on the same principle of zones.[8] Running clockwise from the M1 the zones were defined for Zones 1 to 4 based on the proposed M2, M3 and M4 motorways. The M5 and M6 numbers were reserved for the other two planned long distance motorways.[9] The Preston Bypass, the UK's first motorway, should have been numbered A6(M) under the scheme decided upon, but it was decided to keep the number M6 as had already been applied.[9] Certain portions or bypasses of A-roads may be designated as motorways, the name of these portions being given the suffix "(M)". An example is the A1(M).[10]

In Scotland, where the Scottish Office rather than the Ministry of Transport and Civil Aviation had the decision, there is no zonal pattern, but rather the A-road rule is strictly enforced. It was decided to reserve the numbers 7, 8 and 9 for Scotland.[11] The M8 follows the route of the A8, and the M80 became part of the M90 when the A90 was re-routed along the path of the A85.[specify]

Ireland

near Kinnegad in Ireland. This is the standard sign in the Republic of Ireland and United Kingdom to indicate the start of motorway regulations - the appropriate motorway number is shown.]]

In Northern Ireland a distinct numbering system is used, which is separate from the rest of Ireland and from Britain, though the classification of roads along the lines of A, B, and C is universal throughout the UK and the Isle of Man. According to a written answer to a parliamentary question to the Northern Ireland Minister for Regional Development, there is no known reason as to how Northern Ireland's road numbering system was devised.[12] However motorways, as in the rest of the UK and Ireland, are numbered M, with the two major motorways coming from Belfast being numbered M1 and M2. The M12 is a short spur of the M1 with the M22 being a short continuation (originally intended to be a spur) of the M2. There are two other motorways, the short M3 and a motorway section of the A8 road, known as the A8(M) (similar to how motorway sections of A-roads in Great Britain are numbered).

In the Republic of Ireland, motorway and national road numbering is quite different to the UK convention. Since the passage of the Roads Act 1993, all motorways are part of, or form, national primary roads. These routes are numbered in series, (usually, radiating anti-clockwise from Dublin, starting with the N1/M1) using numbers from 1 to 33 (and, separately from the series, 50). Motorways use the number of the route of which they form part, with an M prefix rather than N for national road (or in theory, rather than R for regional road).[13] In most cases, the motorway has been built as a bypass of a road previously forming the national road (e.g. M7 bypassing roads previously forming the N7) - the bypassed roads are reclassified as regional roads, although updated signposting may not be provided for some time, and adherence to signage colour conventions is lax (regional roads have black-on-white directional signage, national routes use white-on-green).

Under the previous legislation, the Local Government (Roads and Motorways) Act 1974, motorways theoretically existed independently to national roads, however the short sections of motorway opened during this act, except for the M50, always took their number from the national road which they were bypassing. The older road was not downgraded at this point (indeed, regional roads were not legislated for at this stage). Older signage at certain junctions on the M7 and M11 can be seen reflecting this earlier scheme, where for example N11 and M11 can be seen coexisting.

The M50, an entirely new national road, is an exception to the normal inheritance process, as it does not replace a road previously carrying an N number. The M50 was nevertheless legislated in 1994 as the N50 route (It only had a short section of non-motorway section form the current Jn11 Tallaght to Jn12 Firhouse until its extension as the Southern Cross Motorway). The M50s designation was chosen as a recognisable unique number. As of 2008 the N34 is the next unused national primary road designation. In theory, a motorway in Ireland could form part of a regional road.[13]

On 30 August 2008, the eFlow "barrier free" tolling system was introduced on the M50. Like other eToll systems, it allows cashless payment on all of Ireland's toll roads. eFlow uses overhead cameras and detectors to read electronic tags or number plates on vehicles. Electronic tags can be obtained from other providers - MiniTag, Eazy Pass, eTrip, Eirtag, PassDirect and Tolltag.

Elsewhere

In Hungary, similar to Ireland, motorway numbers can be derived from the original national highway numbers (1-7), with an M prefix attached, eg. M7 is on the route of the old Highway 7 from Budapest towards Lake Balaton and Croatia. New motorways not following the original Budapest-centered radial highway system get numbers M8, M9, etc., or M0 in the case of the ring road around Budapest.

In New Zealand, as well as in the Scandinavian countries, motorway numbers are also derived from the state highway route which they form a part of, but unlike Hungary and Ireland they are not distinguished from non motorway sections of the same state highway route. In the cases where a motorway acts as a bypass of a state highway route, the original state highway is either stripped of that status or renumbered (as in the case of the Auckland Northern Motorway extension from Albany to Silverdale, north of Auckland, where the new motorway was designated as part of State Highway 1, while the old state highway one route linking Albany to Silverdale was designated State Highway 17).

In Pakistan, motorways are denoted with the prefix M.

Motorway service areas

In New Zealand, two motorway service areas (known as service centres) are on the Auckland Southern Motorway at Papakura and Bombay, and one on the Auckland Northern Motorway at Dairy Flat. With the exception of Bombay (which is off a junction), the services generally only serve traffic heading away from Auckland.

Environmental effects

  • Roadway noise: Motorways generate more roadway noise than arterial streets because of the higher operating speeds. Therefore, noise health effects are expected from motorway systems. Noise mitigation strategies exist to reduce sound levels at nearby sensitive receptors. The idea that motorway design could be influenced by acoustical engineering considerations first arose about 1973[14]
  • Air quality issues: Motorways may contribute fewer emissions than arterials carrying the same vehicle volumes. This is because high, constant-speed operation creates an emissions reduction compared to vehicular flows with stops and starts. However, concentrations of air pollutants near motorways may be higher because of the substantial traffic volumes. Therefore, the risk of exposure to elevated levels of air pollutants from a motorway may be considerable, and further magnified when motorways have traffic congestion.
  • Greenhouse Gas Emissions: Motor vehicle use may cause the emission of up to twelve times the amount of carbon dioxide per passenger kilometre than using the train[citation needed].

History

Italy

The first motorway ever built in the world was the Autostrada dei laghi, inaugurated on 21 September 1924 in Milan. It linked Milan to Varese; it was then extended to Como, near the border with Switzerland, inaugurated on 28th June 1925. Piero Puricelli, the engineer who designed this new type of road, decided to cover the expenses by introducing a toll.[15][16]

Other motorways built before World War in Italy were Naples-Pompeii, Padua-Venice, Milan-Turin, Milan-Bergamo-Brescia and Rome-Ostia.

New Zealand

at the Princes Street interchange, near Otahuhu in Auckland City.]]

New Zealand's first motorway opened in December 1950 near Wellington. This 5 kilometre (3 mile) motorway now forms part of the Johnsonville-Porirua Motorway and State Highway 1.[17] Auckland's first stretch of motorway was opened in 1953 between Ellerslie and Mount Wellington (between present-day Exit 435 and Exit 438), and now forms part of the Southern Motorway.[18]

Great Britain

In Great Britain motorways were introduced into law under the Special Roads Act 1949,[19] with the first motorway, the M6 Preston Bypass, opening in 1958.[20] The first major motorway to open was the M1 between Crick and Berrygrove.[20] From then onwards, motorways opened on a regular basis right into the 1980s;[21] by 1972 the first 1,000 miles (1,609 km) of motorway had been built.[22]Whilst roads outside of urban areas continued to be built throughout the 1970s, opposition to urban routes became more pronounced. Most notably, plans by the Greater London Council for a series of ringways were cancelled following extensive protests and a rise in costs.[23] The completed M25 London Orbital opened in 1986.[24] In 1996 the total length of motorways reached 2,000 miles (3,219 km).[25]

Ireland

Legal authority existed in the Special Roads Act (Northern Ireland) 1963 similar to that in the 1949 Act.[26] The first motorway to open was the M1 motorway, though it did so under temporary powers until the Special Roads Act had been passed.[27] Work on the motorways continued until the 1970s when the oil crisis and The Troubles both intervened causing the abandonment of many schemes.[28] The final scheme to open has been the M3.[29]

Carlow Bypass under construction March 2008; the continuous yellow lines indicate a proposed motorway rather than HQDC ]]

In the Republic of Ireland the Local Government (Roads and Motorways) Act 1974 made motorways possible, although the first section, the M7 Naas Bypass, did not open until 1983. The first section of the M50 opened in 1990, a part of which was Ireland's first toll motorway, the West-Link. However it would be the 1990s before substantial sections of motorway were opened in Ireland, with the first completed motorway - the 83 km M1 motorway - being finished in 2005.

Under the Transport 21 infrastructural plan[30], motorways or high quality dual carriageways are being built between Dublin and the major cities of Cork, Galway, Limerick and Waterford by the end of 2010. Other shorter sections of motorway either have been or will be built on some other main routes. In 2007 legislation (the Roads Bill 2007) was proposed to allow existing roads be designated motorways by order. Legislation only allows for new build roads to be designated motorways. It is now intended that all the HQDCs on the major inter-urbans - other than some sections near Dublin on the N4 and N7 which do not fully meet motorway standards - will be reclassified as motorway. The first stage in this process occoured when all the HQDC schemes open or under construction on the N7 and N8, and between Kinnegad and Athlone on the N6 and Kilcullen and south of Carlow on the N9, were reclassified motorway on 24 September 2008. Further sections of dual carriageway are proposed to be reclassified as motorway.

Australia

Most of Australia's capital cities feature a motorway network within their urban areas. Sydney, Melbourne, Brisbane and Perth each feature freeway and motorway systems, while Canberra, Adelaide, Hobart and the regional centres of Newcastle, Gold Coast, and Wollongong feature a selection of limited-access routes. Outside these areas traffic volumes do not generally demand motorway-standard access, although heavily-trafficked regional corridors such as Sydney-Newcastle (M1 Sydney-Newcastle Freeway), Brisbane-Gold Coast (M1 Pacific Motorway) and Melbourne-Geelong (M1 Princes Freeway) that form part of major long-distance routes feature high-standard motorway links. While Sydney and Canberra (NH23 Federal Highway (Australia)) are the only two Australian capitals connected by a continuous motorway-standard link, upgrades to full dual-highway of the heavy-use Sydney-Melbourne (A31/M31 Hume Highway/Freeway) and Sydney-Brisbane (M1 Pacific Highway) interstate routes, a total length of more than 2000 kilometres, are underway.

Pakistan

to Lahore in Pakistan]]

Pakistan has a network of high-quality international-standard limited-access motorways, which are maintained and operated by the National Highway Authority. In 2009, operational motorways in Pakistan had a combined length of 575 km, with approximately 1,000 km of motorways either under construction or planned.

Pakistan's motorways are either six-lanes or four-lanes and are 'limited-access' (or access-controlled) with a universal minimum speed limit of 80 km/h and a maximum speed limit of 100 km/h for heavy transport vehicles and 120 km/h for light transport vehicles. They have a concrete central median.

Pakistan's first motorway, the M2, was completed in 1997 and was the first motorway to be built in South Asia. The contract was awarded to the Korean firm Daewoo. It has six-lanes and links Pakistan's federal capital, Islamabad, with Punjab's provincial capital, Lahore, and its length is 367 km. Since then, the network has been further extended to Faisalabad with the M3, which has four-lanes and a length of 53 km. The M1 from Islamabad to the North-West Frontier Province's capital Peshawar was completed in 2007. It has six-lanes and a length of 154 km.

Entry Restrictions Entry is restricted to fast moving vehicles. Two wheelers (motorcycles and bicycles) and slow moving traffic modes are not allowed. However, Pakistan's Motorways and National Highways Police personnel use heavy motorbikes for patrolling purposes. Construction and agricultural machinery is also restricted.

See also

List of motorways in

References

  1. ^ "Interim Advice Note 60/05" (PDF). Highways Agency. 2005-01-12. http://www.standardsforhighways.co.uk/ians/pdfs/ian60.pdf. Retrieved on 2008-06-05. 
  2. ^ http://www.highways.gov.uk/knowledge/1965.aspx
  3. ^ see http://www.cbrd.co.uk/badjunctions/27-271.shtml
  4. ^ New directions in speed management: a review of policy, pp 13, 23, DfT
  5. ^ "Tories blitz 'cash-maker' cameras". BBC. 3 August 2004. http://news.bbc.co.uk/1/hi/uk_politics/3529864.stm. 
  6. ^ "ARE YOU THINKING WHAT WE’RE THINKING? IT’S TIME FOR ACTION: CONSERVATIVE ELECTION MANIFESTO 2005" (PDF). http://www.conservatives.com/pdf/manifesto-uk-2005.pdf. 
  7. ^ http://www.abd.org.uk/motorwayspeedlimit.htm
  8. ^ "How the Motorways were numbered". Ministry of Transport memorandum. Pathetic Motorways. November 1961. http://pathetic.org.uk/features/numbering/part4.shtml. Retrieved on 2007-12-28. "Mr Usborne explained that his proposal followed the principle of the sector system on which trunk and classified roads were already numbered, although the sectors themselves, which were six in number, were somewhat different." 
  9. ^ a b Wykes, C. H. (1959-07-07). "How the Motorways were Numbered". Ministry of Transport Memorandum. Pathetic Motorways. http://pathetic.org.uk/features/numbering/part2.shtml. Retrieved on 2007-12-28. "The result of applying such a system to current plans would be the appropriate numbering of the London - Yorkshire Motorway as M.1, with provision for extension still further north as required. M.2 would be reserved for any possible Channel Ports Motorway, the Medway Towns Bypass meanwhile becoming A.2(M) and the Maidstone Bypass A.20(M). M3 would be reserved for a motorway in the direction of Portsmouth - Southampton, starting with the Exeter Radial. M.4 would be applied to the South Wales Radial. The remaining single figure numbers would not be required for radials and could therefore, continuing clockwise, be applied to the Bristol - Birmingham Motorway - M.5 and the Penrith - Birmingham plus Dunchurch Bypass - M.6. The Preston Bypass was numbered M.6 in advance and although under these proposals it should initially have been A.6(M), I see no reason to make any change from M.6 pending the ultimate completion of the whole route." 
  10. ^ Wykes, C. H. (1959-09-30). "How the Motorways were numbered". Ministry of Transport Memorandum. Pathetic Motorways. http://pathetic.org.uk/features/numbering/part2.shtml. Retrieved on 2007-12-28. "Where, however, a motorway is merely a by-pass along an existing route such as the Doncaster Bypass along Route A.1, it will not be given a separate M number, but in order to make it clear that it is a motorway and that motorway Regulations apply to it, the letter M will be added in brackets to the existing route-number - e.g. A.1(M) for the Doncaster Bypass. This will preserve the continuity of the route-number of long-distance all-purpose roads. Generally speaking by-passes that are eventually linked to form a continuous motorway will preserve the existing route-number (plus M in brackets) until they are so linked." 
  11. ^ Payne, B. A. (1959-07-10). "How the Motorways were Numbered". Ministry of Transport Memorandum. Pathetic Motorways. http://pathetic.org.uk/features/numbering/part2.shtml. Retrieved on 2007-12-28. "1. The numbers 7, 8 and 9 which were used in Scotland should be reserved for the use of Scottish Motorways." 
  12. ^ http://www.niassembly.gov.uk/qanda/writtenans/001215.htm
  13. ^ a b Department of Transport (Republic of Ireland) (2006). "Roads Act 1993 (Classification of National Roads) Order 2006" (PDF). http://www.transport.ie/upload/general/7616-0.pdf. Retrieved on 2007-04-08. 
  14. ^ Michael Hogan, Highway Noise, 3rd Environmental Pollution Symposium, sponsored by AIAA, ACS, ASME, SAE, held at SRI International, Menlo Park, Ca. April 17-18, 1973
  15. ^ "German Myth 8: Hitler's Autobahn?". http://german.about.com/library/blgermyth08.htm. Retrieved on 2006-04-03. 
  16. ^ "1924 Mile Posts". http://local.aaca.org/bntc/mileposts/1924.htm. Retrieved on 2006-04-03. 
  17. ^ "Transit New Zealand - FAQs". http://www.transit.govt.nz/about/faqs.jsp#8. Retrieved on 2007-03-21. 
  18. ^ "CMI Transit". http://cmi.transit.govt.nz/html/cmi/history.htm. Retrieved on 2007-06-07. 
  19. ^ "Special Roads Act 1949" (PDF). Office of Public Sector Information. http://www.opsi.gov.uk/acts/acts1949/pdf/ukpga_19490032_en.pdf. Retrieved on 2007-12-31. 
  20. ^ a b "Statistics". Motorway Archive. The Motorway Archive Trust. http://www.iht.org/motorway/stats.htm. Retrieved on 2007-11-18. 
  21. ^ "Opening dates for Motorways in the UK in chronological order". Motorway Archive. The Motorway Archive Trust. http://www.iht.org/motorway/openings.htm. Retrieved on 2007-11-18. 
  22. ^ Porter, John; Ron Bridle (2002). The Motorway Achievement. Thomas Telford. pp. 223. ISBN 0727731963. "...the construction industry was commissioned, in sequences of contracts spread over the years, to build 1000 miles of new motorway and duly so by 1972..." 
  23. ^ "Post-war and beyond". cbrd. http://www.cbrd.co.uk/histories/ringways/postwarandbeyond.shtml. Retrieved on 2007-11-18. 
  24. ^ "M25 London Orbital Motorway (Junctions 13 to 30)". Motorway Archive. The Motorway Archive Trust. http://www.iht.org/motorway/m25j13j30.htm. Retrieved on 2007-12-31. 
  25. ^ Porter, John; Ron Bridle (2002). The Motorway Achievement. Thomas Telford. pp. 189. ISBN 0727731963. "With 2000 miles of motorway completed and in operation by 1996..." 
  26. ^ "Conceptions and early history of the motorways in Northern Ireland". Motorway Archive. The Motorway Archive Trust. http://www.iht.org/motorway/niconcept.htm. Retrieved on 2007-12-31. 
  27. ^ "M1 Belfast to Dungannon and M12 to Craigavon". Motorway Archive. The Motorway Archive Trust. http://www.iht.org/motorway/m1ni.htm. Retrieved on 2007-12-31. 
  28. ^ "Westlink (M1 to M2)". Motorway Archive. The Motorway Archive Trust. http://www.iht.org/motorway/wlink.htm. Retrieved on 2007-12-31. 
  29. ^ "M3 Dock Street to Bridge end and Sydenham By-pass". Motorway Archive. The Motorway Archive Trust. http://www.iht.org/motorway/m3ni.htm. Retrieved on 2007-12-31. 
  30. ^ Transport 21 Infrastructure Plan, Ireland

External links


Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

Contents

English

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Wikipedia

Etymology

A calque of German Autobahn.

Noun

Singular
motorway

Plural
motorways

motorway (plural motorways)

  1. (British, Irish, New Zealand, parts of Australia) A broad highway designed for high speed traffic, having restrictions on the vehicle types permitted.

Hypernyms

Translations

See also


Simple English

.]] A motorway is a word used in the United Kingdom, New Zealand, some other Commonwealth nations, and Ireland for a fast road, with four lanes or more. It is used to carry many cars. A Motorway has no traffic-lights or ground level intersections. All roads crossing the motorway go over a bridge or a tunnel. Places where cars can leave or enter the motorway are called exits.

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