1. FLYOVERS

2. Define Flyover., A flyover is a structure which connects two points which are already accessible and is really flying over or across manmade structures viz., road, railway,building, street.

3. D/B Bridge & Flyover  A bridge is a structure which connects two points separated by a natural phenomena viz., river,valley, sea, any other water body.  A flyover is a structure which connects two points which are already accessible and is really flying over or across manmade structures viz., road, railway,building, street.

4. Flyover in Shanghai, China  Shanghai is the largest city of china and the world. It has a wide and heavy network of road transport which connects all the major cities with each other.  It is located in eastern China. Shanghai has a rich collection of buildings and structures of various architectural styles.  Shanghai has one of the best flyovers in puxi, Nanbei Elevated Road at Yanan Middle Road.

5. Flyover in Chicago, Illinois  It is the largest city in Illinois. Over 2.8 million people reside in the city of Chicago. Chicago has the largest population in the Midwest.  The city is often referred to as the ‘Queen of the Lake’. The Chicago is 108th most expensive city in world. The Circle Interchange is an expressway interchange near downtown Chicago. It is the junction between the Dan Ryan, Eisenhower and Kennedy expressways.  It is also called the Spaghetti Bowl.. It was built in the late 1950s and early 1960s, at the same time as the construction of the Kennedy Expressway.

6. Flyover in Chicago, Illinois

7. Flyover in Dallas, Texas, USA  Dallas is third largest city in Taxas and the ninth largest in the USA. Dallas developed a strong industrial and financial sector, and a major inland port.  Flyovers in Dallas are very helpful to reduce the surging traffic pressure on its boring road. The Central Express is also called the High Five Interchanges and currently one of the few 5-level interchange in Dallas and is one of the largest freeway interchanges in the USA.  The $261 millions project began in 2002 and was completed in December 2005.

8. Flyover in Dallas, Texas, USA

9. Flyover in Florida, USA  Florida is the largest city of the USA and and has heavy network of road transport which connects all the major cities with each other.  It was admitted as the 27th state on 3 March 1845. Flyovers in Florida are very helpful to reduce the surging traffic pressure on its boring road.  Miami highway pass has two colors black and white. It’s used in 1956 and in1980s. At present, there are a few rare colored ones still in place.

10. Flyover in Florida, USA

11. Hebbal Flyover, India Bangalore known as The Garden city of India and has some of great flyovers. One of the best flyovers in Bangalore is Hebbal flyover. It is 5.6 km long. It has double road and budget Rs 600-crore. Hebbal flyover is one of the worst flyover in India, has a signal on it, first of its kind in the world..

12. Hebbal Flyover, India

13. Advantage & Disadvantage of Flyover  Provides for two-phase signals with short cycle lengths, significantly reducing delay.  Reduced horizontal curvature reduces risk of off-road crashes.Increases the capacity of turning movements to and from the ramps.  May potentially reduce the number of lanes on the crossroad, minimizing impacts to existing right-of-way.  Substantially reduces the number of conflict points, thus theoretically improving safety.  Theoretically improves pedestrian safety.  Increases the capacity of an existing overpass or underpass, by removing the need for turn lanes.

14. PRESENTED BY., Dinesh Kumar B Gokul P Edited By., Aravinth M