|
Daylighting (tunnels)
Daylighting a tunnel is to remove its "roof" of overlying rock and soil, exposing the railway or roadway to daylight and converting it to a railway or roadway cut. Tunnels are often daylighted to improve vertical or horizontal clearances—for example, to accommodate double-stack container trains or electrifying rail lines, where increasing the size of the tunnel bore is impractical. List of daylighted tunnels * New Zealand ** The railway line through the Manawatu Gorge, when constructed in 1891, had five tunnels. Three of these were daylighted in 2008 to allow for the carriage of large containers (the other two tunnels had their floors lowered). * United Kingdom ** Liverpool Lime Street station was originally approached through a twin-track tunnel completed in 1836. The tunnel was daylighted in the 1880s, and replaced with a deep four-track cutting, with only the eastern approaching Edge Hill railway station remaining as a tunnel. * United States of America ** Auburn Tunnel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tunnel
A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods. A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. The central portions of a rapid transit network are usually in the tunnel. Some tunnels are used as sewers or aqueducts to supply water for consumption or for hydroelectric stations. Utility tunnels are used for routing steam, chilled water, electrical power or telecommunication cables, as well as connecting buildings for convenient passage of people and equipment. Secret tunnels are built for military purposes, or by civilians for smuggling of weapons, contraband, or people. Special tunnels, such as wildlife crossings, are built to allow wildlife to cross human-made barriers safely. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Gateway
National Gateway is a multi-stage railroad construction project in the United States promoted by CSX Transportation, a unit of CSX Corporation. It is designed to improve rail connections between ports in the U.S. mid-Atlantic seaboard and the Midwest by upgrading bridges and tunnels to allow taller freight trains (ones carrying double-stack intermodal containers). In 2008 the company announced its plans to invest $300 million, and is seeking investment from state governments and the U.S. federal government of an additional $400 million as a public-private partnership. Phase 1 of the $850 million project, between CSX’s existing terminal in Chambersburg, Pennsylvania, and its hub facility in Northwest Ohio. was completed in September 2013. Unrelated project An unrelated project with the same name was founded in 2001 as an engineering test between global communication networks. Completed railway improvement projects * Northwest Ohio Intermodal Terminal in North Baltimore, Ohio. F ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reading Railroad
The Reading Company ( ) was a Philadelphia-headquartered railroad that provided passenger and commercial rail transport in eastern Pennsylvania and neighboring states that operated from 1924 until its 1976 acquisition by Conrail. Commonly called the Reading Railroad, and logotyped as Reading Lines, the Reading Company was a railroad holding company for the majority of its existence and was a single railroad during its later years. It operated service as Reading Railway System and was a successor to the Philadelphia and Reading Railway Company, founded in 1833. Until the decline in anthracite loadings in the Coal Region after World War II, it was one of the most prosperous corporations in the United States. Competition with the modern trucking industry that used the interstate highway system for short-distance transportation of goods, also known as short hauls, compounded the company's problems, forcing it into bankruptcy in 1971. Its railroad operations were merged into Conrai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North Wales, Pennsylvania
North Wales is a borough in Montgomery County, Pennsylvania. It is a suburb of Philadelphia and is one of the three historic population centers that make up the North Penn Valley, which is centered on the borough of Lansdale. It is approximately north of Center City Philadelphia. The population was 3,426 as of the 2020 census. Like many small boroughs in Pennsylvania, North Wales' boundaries have not kept pace with population growth. In similar fashion, many businesses and residences with North Wales addresses are located in outlying townships that were never annexed by the borough, such as the Montgomery Mall in Montgomery Township. North Wales is in the North Penn School District. History As its name suggests, North Wales was settled by Welsh immigrants who named it after North Wales in Wales (for more on Welsh settlements in colonial Pennsylvania, see " Welsh Tract"). Part of a 1702 William Penn land grant, this rich farming country was given the name "Gwynedd" for the home ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North Pennsylvania Railroad
The North Pennsylvania Railroad was a railroad company which served Philadelphia, Montgomery County, Bucks County and Northampton County in Pennsylvania. It was formed in 1852 and began operation in 1855. The Philadelphia and Reading Railway, predecessor to the Reading Company, leased the North Pennsylvania in 1879. Its tracks were transferred to Conrail and the Southeastern Pennsylvania Transportation Authority (SEPTA) in 1976. History The company incorporated on April 8, 1852, as the Philadelphia, Easton and Water Gap. Construction began on June 16, 1853; the company changed its name to the North Pennsylvania Railroad on October 3 that year. The new name reflected the grand (and unrealized) ambitions of the company to extend all the way across Pennsylvania to Waverly, New York and a junction with the Erie Railroad. The railway opened between Front and Willow Streets, Philadelphia and Gwynedd on July 2, 1855, a distance of . On October 7 the Doylestown Branch opened to Doy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Virginia City, Nevada
Virginia City is a census-designated place (CDP) that is the county seat of Storey County, Nevada, and the largest community in the county. The city is a part of the Reno– Sparks Metropolitan Statistical Area. Virginia City developed as a boomtown with the 1859 discovery of the Comstock Lode, the first major silver deposit discovery in the United States, with numerous mines opening. The population peaked in the mid-1870s, with an estimated 25,000 residents. The mines' output declined after 1878, and the population declined as a result. As of the 2020 Census, the population of Virginia City was 787. History Peter O'Riley and Patrick McLaughlin are credited with the discovery of the Comstock Lode. Henry T. P. Comstock's name was associated with the discovery through his own machinations. According to folklore, James Fennimore, nicknamed Old Virginny Finney, christened the town when he tripped and broke a bottle of whiskey at a saloon entrance in the northern section of Gol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nevada State Route 341
State Route 341 (SR 341) is a state highway in western Nevada connecting US 50 (US 50) near Dayton to Reno via Virginia City. Commonly known as the Virginia City Highway, or Geiger Grade north of Virginia City, the route has origins dating back to the 1860s. Route description State Route 341 begins at a point along US 50 in Lyon County between Mound House and Dayton, about to the west of the latter. From this intersection, the highway proceeds north towards its south junction with SR 342 in Silver City. From here, SR 341 veers eastward around Silver City and Gold Hill, proceeds up the Occidental Grade and bridges over the Virginia and Truckee Railroad at the site of that line's daylighted Tunnel #5 before reconnecting with SR 342 on the south side of Virginia City. The highway runs along C Street as it travels northward through Virginia City. SR 341 leaves Virginia City and travels northerly and westerly through winding sections on both sides of Geiger Summit. The highway th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Virginia And Truckee Railroad
The Virginia and Truckee Railroad is a privately owned heritage railroad, headquartered in Virginia City, Nevada. Its private and publicly owned route is long. When first constructed in the 19th century, it was a commercial freight railroad which was originally built to serve the Comstock Lode mining communities of northwestern Nevada. At its height, the railroad's route ran from Reno south to the state capital at Carson City. In Carson City, the mainline split into two branches. One branch continued south to Minden, while the other branch traveled east to Virginia City. The first section from Virginia City to Carson City was constructed beginning in 1869 to haul ore, lumber and supplies for the Comstock Lode silver mines. The railroad was abandoned in 1950 after years of declining revenue. Much of the track was pulled up and sold, along with the remaining locomotives and cars. In the 1970s, with public interest in historic railroads on the rise, efforts began to rebuild th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alaska Railroad
Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., it borders the Canadian province of British Columbia and the Yukon territory to the east; it also shares a maritime border with the Russian Federation's Chukotka Autonomous Okrug to the west, just across the Bering Strait. To the north are the Chukchi and Beaufort Seas of the Arctic Ocean, while the Pacific Ocean lies to the south and southwest. Alaska is by far the largest U.S. state by area, comprising more total area than the next three largest states (Texas, California, and Montana) combined. It represents the seventh-largest subnational division in the world. It is the third-least populous and the most sparsely populated state, but by far the continent's most populous territory located mostly north of the 60th parallel, with a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Auburn Tunnel
Auburn Tunnel was a 19th-century canal tunnel built for the Schuylkill Canal near Auburn, Pennsylvania. It was the first transportation tunnel in the United States. The tunnel was deliberately added to the canal as a novelty, as the hill it was bored though could have easily been bypassed. It became a major attraction, with people traveling over {{cite web, title=Profile of the Schuylkill Navigation , url=http://www.racc.edu/Yocum/canal/Reaches/Maps/Profiles_A/A-5.gif , access-date=2008-11-29 , url-status=dead , archive-url=https://web.archive.org/web/20101206081820/https://www.racc.edu/Yocum/canal/Reaches/Maps/Profiles_A/A-5.gif , archive-date=2010-12-06 upriver from Philadelphia to see it. It was periodically shortened, and in 1857 was daylighted to become an open-cut. See also * Montgomery Bell Tunnel – a slightly earlier aqueduct tunnel in the United States * Staple Bend Tunnel – the first railroad Rail transport (also known as train transport) is a means ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Railway
Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a prepared flat surface, rail vehicles (rolling stock) are directionally guided by the tracks on which they run. Tracks usually consist of steel rails, installed on sleepers (ties) set in ballast, on which the rolling stock, usually fitted with metal wheels, moves. Other variations are also possible, such as "slab track", in which the rails are fastened to a concrete foundation resting on a prepared subsurface. Rolling stock in a rail transport system generally encounters lower frictional resistance than rubber-tyred road vehicles, so passenger and freight cars (carriages and wagons) can be coupled into longer trains. The operation is carried out by a railway company, providing transport between train stations or freight customer facilit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
