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A road is a thoroughfare for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, whose primary function is to serve as public spaces, the main function of roads is transportation.

There are many types of roads, including parkways, avenues, controlled-access highways (freeways, motorways, and expressways), tollways, interstates, highways, thoroughfares, and local 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...)

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The M62 motorway is a west–east trans-Pennine motorway in northern England, connecting the cities of Liverpool and Hull via Manchester and Leeds. The road also forms part of the unsigned Euroroutes E20 (Shannon to Saint Petersburg) and E22 (Holyhead to Ishim). The road is 107 miles (172 km) long; however, for seven miles (11 km), it shares its route with the M60 motorway around Manchester.

The motorway, which was first proposed in the 1930s, and originally conceived as two separate routes, was built in stages between 1971 and 1976, with construction beginning at Pole Moor and finishing in Tarbock. The motorway also absorbed the northern end of the Stretford-Eccles bypass, which was built between 1957 and 1960. Adjusted for inflation to 2007, the motorway cost approximately £765 million to build. The motorway is relatively busy, with an average daily traffic flow of 100,000 cars in Yorkshire, and has several areas prone to gridlock, in particular, between Leeds and Huddersfield in West Yorkshire.

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The following are images from various road-related articles on Wikipedia.

Image 1The Italian Autostrada dei Laghi ("Lakes Motorway"; now parts of the Autostrada A8 and the Autostrada A9), the first controlled-access highway ever built in the world, in 1925, the year following its inauguration. (from History of road transport)
Image 2An 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)
Image 3Sacrifices 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 traffic safety)
Image 4Annual traffic deaths sign over I-95 in Georgia, US, indicating more than three deaths per day (from Road traffic safety)
Image 5Jan Brueghel (I) - Travellers on the Way, second half of 16th Century (from History of road transport)
Image 6The 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)
Image 7Part of the AVUS road in Berlin, the first automobile-only road, which served as an inspiration for Piero Puricelli's 1924 autostrada. (from History of road transport)
Image 8German roadworks sign. Similar signs are used in other European countries. (from Roadworks)
Image 9Utrecht has specially painted bicycle-only lanes. (from Road traffic safety)
Image 10Different layers of road including asphalt layer. The total thickness of a pavement can be measured using granular base equivalency (from Road surface)
Image 11Gravel road in Namibia (from Road surface)
Image 12Car 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 traffic safety)
Image 13Replacing the old road with concrete blocks in Bo'ao Road area, Haikou City, Hainan, China (from Road surface)
Image 14Thomas Telford, the "Colossus of the Roads" in early 19th century Britain (from History of road transport)
Image 15Old Roman road, leading from Jerusalem to Beit Gubrin, adjacent to regional highway 375 in Israel (from Road surface)
Image 16Construction crew laying down asphalt over fiber-optic trench, in New York City (from Road surface)
Image 17According to Eurostat, there is almost a linear proportion between the total number of passenger-km driven by car and road fatalities. (from Road traffic safety)
Image 18Concrete pavers (from Road surface)
Image 19Replacing the old road with cobblestones of cement in Bo'ao Road area, Haikou City, Hainan, China. (from Roadworks)
Image 20Vehicles experiencing a breakdown or an emergency can stop in the emergency lane; these lanes may themselves present risks to traffic. (from Road traffic safety)
Image 21According 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 traffic safety)
Image 22Speed limits in different areas; here unusually with only a "recommended" limit (Richtgeschwindigkeit) of 130 km/h on the Autobahn in Germany (from Road traffic safety)
Image 23John 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)
Image 24Road work in Oulu, Finland (from Roadworks)
Image 25Safe from traffic for cycling along a fully segregated Fietspad, properly designed cycling infrastructure in Amsterdam (from Road traffic safety)
Image 26The Dutch Reach - Use far hand on handle when opening to avoid dooring cyclists or injuries to exiting drivers and passengers. (from Road traffic safety)
Image 27An example of composite pavement: hot-mix asphalt overlaid onto Portland cement concrete pavement (from Road surface)
Image 28A road being resurfaced using a road roller (from Road surface)
Image 29Concrete roadway in San Jose, California (from Road surface)
Image 30Modes of road transport in Dublin, 1929 (from History of road transport)
Image 31Brick paving machine (from Road surface)
Image 32Red surfacing for a bicycle lane in the Netherlands (from Road surface)
Image 33Polymer cement overlaying to change asphalt pavement to brick texture and color to create decorative crosswalk (from Road surface)
Image 34Map of Roman roads in 125CE (from History of road transport)
Image 35Laying asphalt (from Road surface)
Image 36A concrete road in Ewing, New Jersey (from Road surface)
Image 37Guard rail on road in Kaluga Oblast (Russia) (from Road traffic safety)
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)
Image 39Pavement ends and turns into gravel surface road (from Road surface)
Image 40Closeup of asphalt on a driveway (from Road surface)
Image 41Deteriorating asphalt (from Road surface)
Image 42The Autostrada A20 (Italy) with large central median (from Road traffic safety)

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Motorway M1 in Yorkshire south of Leeds. Quality image
Credit: (Klaus with K)

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Did you know

...that completion of the West Coast Highway viaduct — the longest in Singapore — was delayed for more than two years because of the contractor's financial problems?

... that in a toll dispute between residents of Bandar Mahkota Cheras and the Cheras-Kajang Highway concessionaire, a barrier blocking a shunpike was repeatedly torn down and rebuilt?

...that road bicycle racer Gerald Ciolek became the youngest ever German National Cycling Champion, aged just 18 in 2005?

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WikiProjects

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

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The Rio–Niterói Bridge, officially part of the federal BR-101 Brazil highway system, and a landmark of Rio de Janeiro.
Credit: (Klaus with K)

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