4-523: The Kuril Flyover is the third largest flyover in Bangladesh. Its foundation stone was laid on 2 May 2010. Finally the work started in March 2011. The flyover was opened on 4 August 2013. This Bangladeshi road or road transport-related article is a stub . You can help Misplaced Pages by expanding it . Overpass An overpass , called an overbridge or flyover (for a road only) in
8-734: A higher, faster ramp that eventually bears left, but may be built as a right or left exit. A cloverleaf or partial cloverleaf contains some 270 degree loops, which can slow traffic and can be difficult to construct with multiple lanes. Where all such turns are replaced with flyovers (perhaps with some underpasses) only 90 degree turns are needed, and there may be four or more distinct levels of traffic. Depending upon design, traffic may flow in all directions at or near open road speeds (when not congested). For more examples, see Freeway interchange . A pedestrian overpass allows traffic to pass without affecting pedestrian safety. Railway overpasses are used to replace level crossings (at-grade crossings) as
12-485: The Brighton Main Line . In North American usage, a flyover is a high-level overpass, built above main overpass lanes, or a bridge built over what had been an at-grade intersection . Traffic engineers usually refer to the latter as a grade separation . A flyover may also be an extra ramp added to an existing interchange, either replacing an existing cloverleaf loop (or being built in place of one) with
16-576: The United Kingdom and some other Commonwealth countries, is a bridge , road , railway or similar structure that is over another road or railway. An overpass and underpass together form a grade separation . Stack interchanges are made up of several overpasses. The world's first railroad flyover was constructed in 1843 by the London and Croydon Railway at Norwood Junction railway station to carry its atmospheric railway vehicles over
#410589