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Roadrailer. A RoadRailer is a trailer or semi-trailer that can be hauled on roads by a tractor unit and then by way of a fifth wheel coupling, operate in a unit train on railway lines. The RoadRailer system allows trailers to be pulled by locomotives without the use of flatcars, instead attaching trailers directly to bogies.
Road–rail excavator British jeep in France, 1945. A road–rail vehicle or a rail–road vehicle is a dual-mode vehicle which can operate both on rail tracks and roads. [1] [2] They are also known as two-way vehicles (German: Zweiwegefahrzeug), [3] hi-rail (from highway and railway, or variations such as high-rail, HiRail, Hy-rail [failed verification]), [4] and rail and road vehicles.
Simone Carter. August 14, 2024 at 4:28 PM. Nearly 400 gallons of ethanol spilled in Tacoma’s Tideflats near the Thea Foss Waterway on Tuesday after a train clipped a fuel truck, according to ...
Loading dock. A loading dock or loading bay is an area of a building where goods vehicles (usually road or rail) are loaded and unloaded. They are commonly found on commercial and industrial buildings, and warehouses in particular. Loading docks may be exterior, flush with the building envelope, or fully enclosed.
A concrete mixer (also cement mixer) is a device that homogeneously combines cement, aggregate (e.g. sand or gravel), and water to form concrete. A typical concrete mixer uses a revolving drum to mix the components. For smaller volume works, portable concrete mixers are often used so that the concrete can be made at the construction site ...
Truck air-actuated disc brake. An air brake or, more formally, a compressed-air-brake system, is a type of friction brake for vehicles in which compressed air pressing on a piston is used to both release the parking/emergency brakes in order to move the vehicle, and also to apply pressure to the brake pads or brake shoes to slow and stop the vehicle.
Concrete sleepers were first used on the Alford and Sutton Tramway in 1884. Their first use on a main line railway was by the Reading Company in America in 1896, as recorded by AREA Proceedings at the time. Designs were further developed and the railways of Austria and Italy used the first concrete sleepers around the turn of the 20th century.
In the UK, tractor unit and trailer combinations are referred to as articulated lorries, or "artics". [1]A semi-trailer truck, also known as a semitruck, [1] (or semi, [2] eighteen-wheeler, [3] big rig, [4] tractor-trailer [5] or, by synecdoche, a semitrailer) [6] [a] is the combination of a tractor unit and one or more semi-trailers to carry freight.