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 low speed limit, under 40 km/h (25 mph) or lower. (Full article...)
Image 15Bardon 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England (seen here in 2009) is a Midland Railway box dating from 1899, although the original mechanical lever frame has been replaced by electrical switches.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 19Modes of road transport in Dublin, 1929 (from Road transport)
Image 20According 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 25The Beijing Subway is one of the world's largest and busiest rapid transit networks. (from Transport)
Image 26The 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 36Transport is a key component of growth and globalization, such as in Seattle, Washington, United States.
Image 37Arizona - North America - Southwest - Interstate Highway System (4893585908) (from Road transport)
Image 38German 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 39Bridges, such as Golden Gate Bridge, allow roads and railways to cross bodies of water. (from Transport)
Image 400-Series Shinkansen, introduced in 1964, triggered the intercity train travel boom. (from Rail transport)
Image 61A 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)
Image 62The engineering of this roundabout in Bristol, United Kingdom, attempts to make traffic flow free-moving.
Image 63The Lockheed SR-71 remains unsurpassed in many areas of performance. (from Aviation)
... that United States Secretary of Transportation Pete Buttigieg wrote an essay in 2000 on Bernie Sanders, his future competitor in the 2020 Democratic Party presidential primaries?
... 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?