![]() Composite FlyoverĪ composite flyover is a combination of both RCC and steel elements acting together. Fig 5: Underpass Flyover Classification of Flyovers based on Material 1. Both flyovers improve traffic control, which immediately lowers the accident rate. An underpass flyover is often built to allow cars and people to pass without disrupting the railroad and road. Underpass FlyoverĪn underpass flyover crosses over an existing railroad crossing, road, or other obstacles underneath. ![]() The primary purpose of an overpass flyover is to keep other traffic away from the railway path (i.e., vehicle and pedestrian traffic). Overpass FlyoverĪn overpass flyover is one that is built over an existing highway or railway line that crosses over barriers. Fig 3: Cloverleaf Flyover Classification of Flyover based on Form 1. Since there is no need to weave or slow down, this offers an advantage over the simple flyover. In this kind of flyover, the grade separation technique allows traffic from one or more roads to pass the junction without directly crossing it or interfering with the flow of other traffic streams. Cloverleaf FlyoversĬloverleaf flyover is a form of grade separator as well. This type of highway is used for fast-moving traffic to cross railway lines or heavy vehicular junctions. This particular flyover is the one that is used the most often. ![]() The two types of flyovers used for traffic management are: 1.
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