A road is a thoroughfare from one place to another, primarily used for movement of traffic. Many roads are paved.
The words "road" and "street" are commonly considered to be interchangeable, but the distinction is important in urban design. Roads differ from streets, whose primary use is local access. Roads also differ from stroads, which combine the features of streets and roads.
There are many types of roads, including parkways, avenues, controlled-access highways (freeways, motorways, and expressways), tollways, highways, local roads, public roads and private roads.
The primary features of roads include lanes, sidewalks (pavement), roadways (carriageways), medians, shoulders, verges, bike paths (cycle paths), and shared-use paths. (Full article...)
Selected article
The Millau Viaduct (French: le Viaduc de Millau) is a large cable-stayed road-bridge that spans the valley of the River Tarn near Millau in southern France. Designed by the structural engineer Michel Virlogeux and British architect Norman Foster, it is the tallest vehicular bridge in the world, with one mast's summit at 343 metres (1,125 ft) — slightly taller than the Eiffel Tower and only 38 m (125 ft) shorter than the Empire State Building. The viaduct is part of the A75-A71 autoroute axis from Paris to Béziers. It was formally dedicated on 14 December 2004, inaugurated the day after and opened to traffic two days later. The bridge won the 2006 IABSE Outstanding Structure Award.
The bridge’s construction broke three world records:
- The highest pylons in the world: pylons P2 and P3, 244.96 metres (803 ft 8 in) and 221.05 metres (725 ft 3 in) in height respectively.
- The highest mast in the world: the mast atop pylon P2 peaks at 343 metres (1,125 ft).
- The highest road bridge deck in the world, 270 m (890 ft) above the Tarn River at its highest point.
The following are images from various road-related articles on Wikipedia.
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Image 1Red Asphalt Cleaning with waterblasting trucks in the City of Vienna (from Road surface)
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Image 2The schedule of maximum tolls allowed on the Woodstock to Rollright Turnpike Trust on the Great Road to Worcester in 1751 (from History of road transport)
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Image 3Car fatalities per pax-km vs. car usage per pax-day; in Europe. It seems, at least in these European countries, that car fatalities per person-km have no strong correlation with massification of car usage. The average car usage in these countries is around 30km per person-day with varying number of fatalities ratios. These differences might be related with different cultural approaches to traffic codes, or more safety measures implemented on such countries. (from Road safety)
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Image 4Annual traffic deaths sign over I-95 in Georgia, US, indicating more than three deaths per day (from Road safety)
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Image 5The Autostrada A20 ( Italy) with large central median (from Road safety)
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Image 6Laying asphalt (from Road surface)
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Image 7Concrete pavers (from Road surface)
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Image 8The Italian Autostrada dei Laghi ("Lakes Motorway" in the 1950s; now parts of the Autostrada A8 and the Autostrada A9), the first controlled-access highway ever built in the world (from History of road transport)
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Image 9The Dutch Reach - Use far hand on handle when opening to avoid dooring cyclists or injuries to exiting drivers and passengers. (from Road safety)
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Image 10Replacing the old road with concrete blocks in Bo'ao Road area, Haikou City, Hainan, China (from Road surface)
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Image 11Vehicles experiencing a breakdown or an emergency can stop in the emergency lane; these lanes may themselves present risks to traffic. (from Road safety)
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Image 12According to Eurostat, there is almost a linear proportion between the total number of passenger-km driven by car and road fatalities. (from Road safety)
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Image 13An orange diamond sign for upcoming roadworks. The worded legend shown here is banned by the 1968 Vienna Convention on Road Signs and Signals, but is allowed in the 2009 Manual on Uniform Traffic Control Devices. (from Roadworks)
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Image 14Replacing the old road with concrete pavers in Bo'ao Road area, Haikou City, Hainan, China. (from Roadworks)
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Image 15A concrete road in Ewing, New Jersey (from Road surface)
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Image 16Safe from traffic for cycling along a fully segregated Fietspad, properly designed cycling infrastructure in Amsterdam (from Road safety)
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Image 17A right-hand driving car on the right-hand side of the road in France at night (from Road safety)
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Image 18Different layers of road including asphalt layer. The total thickness of a pavement can be measured using granular base equivalency. (from Road surface)
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Image 19Crack sealing machine in Dnipro, Ukraine. (from Road surface)
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Image 20Utrecht has specially painted bicycle-only lanes. (from Road safety)
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Image 21Polymer cement overlaying to change asphalt pavement to brick texture and color to create decorative crosswalk (from Road surface)
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Image 22Old Roman road, leading from Jerusalem to Beit Gubrin, adjacent to regional highway 375 in Israel (from Road surface)
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Image 23An example of composite pavement: hot-mix asphalt overlaid onto Portland cement concrete pavement (from Road surface)
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Image 25John Metcalf, also known as Blind Jack of Knaresborough. Drawn by J R Smith in The Life of John Metcalf, published 1801. (from History of road transport)
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Image 26A road being resurfaced using a road roller (from Road surface)
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Image 27Guard rail on road in Kaluga Oblast ( Russia) (from Road safety)
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Image 28Speed limits in different areas; here unusually with only a "recommended" limit ( Richtgeschwindigkeit) of 130 km/h on the Autobahn in Germany (from Road safety)
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Image 29Modes of road transport in Dublin, 1929 (from History of road transport)
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Image 30A US poster from the 1940s (from Road safety)
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Image 31Red surfacing for a bicycle lane in the Netherlands (from Road surface)
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Image 32Map of Roman roads in 125 AD (from History of road transport)
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Image 33Construction crew laying down asphalt over fiber-optic trench, in New York City (from Road surface)
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Image 34Concrete roadway in San Jose, California (from Road surface)
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Image 35Thomas Telford, the "Colossus of the Roads" in early 19th century Britain (from History of road transport)
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Image 36Deteriorating asphalt (from Road surface)
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Image 37Cracked asphalt surface (from Road surface)
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Image 38The Great North Road near Highgate on the approach to London before turnpiking. The highway was deeply rutted and spread onto adjoining land. (from History of road transport)
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Image 39Pavement ends and turns into gravel surface road. (from Road surface)
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Image 40Brick paving machine (from Road surface)
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Image 41Worn asphalt concrete being removed before laying a new layer in Roberttown, UK (from Roadworks)
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Image 42A patched road rut at a Portland Oregon bus stop. During the summer this part of the road will be hot and combined with a bus’s high ground pressure will compress and deform part of the road. Due to the lower elevation from the driveway, a large portion of the buses weight leans on one wheel causing damage to the road. Despite the repairs, you can see the patch is already damaged. This happens yearly. (from Road surface)
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Image 43Jan Brueghel (I) - Travellers on the Way, second half of 16th Century (from History of road transport)
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Image 44According to Eurostat and European Railway Agency, in European railway mode of transport, there is a fatality risk for passengers and occupants 28 times lower compared with car usage. Based on data by EU-27 member nations, 2008–2010. (from Road safety)
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Image 45German roadworks sign. Similar signs are used in other European countries. (from Roadworks)
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Image 46Closeup of asphalt on a driveway (from Road surface)
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Image 47Sacrifices to the Modern Moloch, a 1923 cartoon published in St. Louis Star, criticizing the apparent acceptance by society of increasing automobile-related fatalities (from Road safety)
... that labourers paving Saskatchewan Highway 641 in 1942 earned 35 cents an hour and a labourer with a tractor-drawn drag earned 50 cents an hour?
...that Maes Titianus penetrated farther along the Silk Road than any other Westerner in Antiquity, reaching the Stone Tower of Tashkurgan in the Pamirs?
- WikiProject Highways—principal WikiProject
- U.S. Roads—United States state highways and county roads
- U.S. Streets—United States city streets
- Australian Roads—Australian highways, principal roads, and main city streets
- Canada Roads—Canada provincial highways
- Canada Streets—Canada city streets
- WikiProject UK Roads—roads in the United Kingdom
- London transport—roads, etc.
- Paris Streets
- China Transportation—includes expressways, ring roads, Roads, national highways, etc
- Germany transportation
- Indian Roads
- Nepal transportation
- Pakistani Roads
- Scotland transport—includes road and bus transport in Scotland
Teen Murti Chowk (The "Three Statue" roundabout) in New Delhi, India, directly in front of Teen Murti Bhavan Credit: Rakesh Agrawal ( Rakeshagrawal)
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Here are some tasks you can do for WikiProject Highways:
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