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Light transmission efficiency is greatest if the tube is short and straight. In longer, angled, or flexible tubes, part of the light intensity is lost. To minimize losses, a high reflectivity of the tube lining is crucial; manufacturers claim reflectivities of their materials, in the visible range, of up to almost 99.5 percent. [10] [11]
Light beam from road tunnel fixture inclined towards approaching vehicle such that contrast is enhanced of obstacle on road Counter-beam lighting (German: Gegenstrahlbeleuchtung) is a type of road lighting used mainly in road tunnels , providing best visibility of obstacles on the lane , and thus traffic safety , while reducing light-energy cost.
The electro-kinetic road ramp is a method of generating electricity by harnessing the kinetic energy of automobiles that drive over the ramp. In June 2009, one of the devices was installed in the car park at a Sainsbury's supermarket in Gloucester, United Kingdom, where it provides enough electricity to run all of the store's cash registers.
The Lincoln Tunnel is one of two automobile tunnels built under the Hudson River, the other being the Holland Tunnel between Jersey City, New Jersey, and Lower Manhattan. The Lincoln Tunnel is also one of six tolled crossings in the New York area owned by the Port Authority of New York and New Jersey. The tolls on each crossing are only ...
The $15.6 million lighting project provides a visual aesthetic while also enhancing safety and security by providing more light to the underside of the bridge from dusk to dawn. Over 1,800 light-emitting diodes were installed along 1.7 miles (2.7 km) of the bridge, which cycle through animated routines. The lighting project was completed in ...
The State Route 99 tunnel, also known as the Alaskan Way Viaduct replacement tunnel, is a bored highway tunnel in the city of Seattle, Washington, United States.The 2-mile (3.2 km), double-decker tunnel carries a section of State Route 99 (SR 99) under Downtown Seattle from SoDo in the south to South Lake Union in the north.
Initially, Treasure Truck offered one item at a time, which customers ordered using the Amazon app and picked up at a designated location the same day. [3] As part of a holiday promotion, Seattle Seahawks player Marshawn Lynch drove the Treasure Truck around Seattle in December 2016 selling a limited-edition beast-mode Echo . [ 4 ]
In architecture, a lightwell, [NB 1] sky-well, [NB 2] or air shaft is an unroofed or roofed external space provided within the volume of a large building to allow light and air to reach what would otherwise be a dark or unventilated area. Lightwells may be lined with glazed bricks to increase the reflection of sunlight within the space.