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While China and Europe are connected by rail, and while both are mainly 1,435 mm (4 ft 8 + 1 ⁄ 2 in), the intervening Central Asia Railways are 1,520 mm (4 ft 11 + 27 ⁄ 32 in) gauge. There are discussions about facilitating an eventual linkage of the Chinese and European standard gauge system.
Track gauge conversion is the changing of one railway track gauge (the distance between the running rails) to another. In general, requirements depend on whether the conversion is from a wider gauge to a narrower gauge or vice versa, on how the rail vehicles can be modified to accommodate a track gauge conversion, and on whether the gauge conversion is manual or automated.
The 4 ft 9 in (1,448 mm) railways were intended to take 4 ft 8 + 1 ⁄ 2 in (1,435 mm) gauge vehicles and allow a (second) running tolerance. The Chester and Birkenhead Railway, authorised on 12 July 1837, used 4 ft 9 in (1,448 mm). [31] The London and Brighton Railway, authorised on 15 July 1837, used 4 ft 9 in (1,448 mm). [32]
Some railways, primarily in the northeast, used standard gauge of 4 ft 8 + 1 ⁄ 2 in (1,435 mm); others used gauges ranging from 2 ft (610 mm) to 6 ft (1,829 mm). As a general rule, southern railroads were built to one or another broad gauge, mostly 5 ft ( 1,524 mm ), while northern railroads that were not standard-gauge tended to be narrow-gauge.
After considerable debate and planning, most of the southern rail network was converted from 5 ft (1,524 mm) gauge to 4 ft 9 in (1,448 mm) gauge, then the standard of the Pennsylvania Railroad, over two days beginning on May 31, 1886. Over a period of 36 hours, tens of thousands of workers pulled the spikes from the west rail of all the broad ...
A broad-gauge railway is a railway with a track gauge (the distance between the rails) broader than the 1,435 mm (4 ft 8 + 1 ⁄ 2 in) used by standard-gauge railways.. Broad gauge of 1,520 mm (4 ft 11 + 27 ⁄ 32 in), more known as Russian gauge, is the dominant track gauge in former Soviet Union countries (CIS states, Baltic states, Georgia, Ukraine) and Mongolia.
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This help page is a how-to guide. ... {convert|123.4|m|ydftin}} → 123.4 metres (134 yd 2 ft 10 in) {{convert|123.4|kg ... {convert|18.45|in|ft in hand cm|frac=2 ...