Speed bumps (also called traffic thresholds, speed breakers or sleeping policemen) are a class of traffic calming devices that use vertical deflection to slow motor-vehicle traffic in order to improve safety conditions. Variations include the speed hump, speed cushion, and speed table.
The use of vertical deflection devices is widespread around the world, and they are most commonly used to enforce a speed limit under 40 km/h (25 mph). (Full article...)
Image 4Customized motorcycle to maximize load capacity. Mobility is important for motorcycles, which are primarily used for transporting light cargo in urban areas. (from Transport)
Image 5Tunnels, such as the Tampere Tunnel, allow traffic to pass underground or through rock formations. (from Transport)
Image 10Bardon Hill box in England (seen here in 2009) is a Midland Railway box dating from 1899, although the original mechanical lever frame has been replaced by electrical switches. (from Rail transport)
Image 25A 16th-century minecart, an early example of unpowered rail transport (from Rail transport)
Image 26Swiss & German co-production: world's first functional diesel–electric railcar 1914 (from Rail transport)
Image 27A prototype of a Ganz AC electric locomotive in Valtellina, Italy, 1901 (from Rail transport)
Image 28The Polish transport company Bedmet uses a special vehicle to transport two large silos. (from Road transport)
Image 29Transport is a key component of growth and globalization, such as in Seattle, Washington, United States.
Image 30The Great North Road near High gate on the approach to London before turnpiking. The highway was deeply rutted and spread onto adjoining land. (from Road transport)
Image 47German soldiers in a railway car on the way to the front in August 1914. The message on the car reads Von München über Metz nach Paris ("From Munich via Metz to Paris"). (from Rail transport)
Image 50Map of world railway network as of 2022 (from Rail transport)
Image 51According to Eurostat and the European Railway Agency, the fatality risk for passengers and occupants on European railways is 28 times lower when compared with car usage (based on data by EU-27 member nations, 2008–2010). (from Rail transport)
Image 52Bronocice pot with the earliest known image of a wheeled vehicle in the world, found in Poland (from Transport)
Image 64A cast iron fishbelly edge rail manufactured by Outram at the Butterley Company for the Cromford and High Peak Railway in 1831; these are smooth edge rails for wheels with flanges. (from Rail transport)
... that a section of Mississippi Highway 489 was designated as the Jason Boyd Memorial Highway to commemorate the MDOT superintendent who was killed while removing debris from the road?