Wednesday, 27 March 2013

6 Incredible Drives Above the Trees

Have you ever had the opportunity to drive above trees? Many highways passing through the forests, but there are only a few who pass above them. The construction of these sections of highways is certainly expensive, but their significance for the environment is very high: noise reduction, protection of animals and trees.


1. Rodovia dos Imigrantes Highway Viaducts, Brazil

High strutting six-lane bridges seemingly floating over the tropical rain forest which covers the steep faces of the Serra do Mar, the 800m (2,625 ft) high cliff range which separates the São Paulo plateau from the seaside lowlands. 


The complex terrain the motorway overcomes turned it into a worldwide reference

A view of the north and south carriageways of Rodovia dos Imigrantes, one crossing over the other 

The original highway was built as a single carriageway in 1986, and a second carriageway was added in 2002.

The Rodovia dos Imigrantes (SP-160) crossing the Serra do Mar in São Paulo State, Brazil. 

Advanced technology allowed for a more modern design and a dramatic reduction in deforestation during construction.




2. Interstate H-3 Highway Viaducts, Hawaii, USA

Also known as the "John A. Burns Freeway". This 16-mile (26km) road is a beautiful engineering feat.

 It cost almost $100-million per mile to build and took 37 years to complete--20 years of that time was taken doing environmental impact studies. But the results are fantastic.



 This view show the highway coming out of the tunnel on the east side of the Koolau Mountains




3. Europabrücke or Europe's Bridge, Austria

Europabrücke, or Europe's bridge, is a 777-metre (2,549 ft) long bridge spanning the 657-metre (2,156 ft) Wipp valley just south of Innsbruck, Tirol, Austria.

The A13 Brenner Autobahn (and European route E45) passes over this bridge, above the Sill River, forming part of the main route from western Austria to Italy via South Tyrol across the Alps



4. Denny Creek Viaduct, USA

Denny Creek is the most family-friendly trail in the region. Above this trail crosses the highway I-90, and thanks to its height in relation to the ground, makes minimal noise in the environment.






5. Linn Cove Viaduct, USA

It was completed in 1987 at a cost of $10 million and was the last section of the Blue Ridge Parkway to be finished. It was created to minimized destruction of Grandfather Mountain; rather than going through the mountain, they built this bridge to go around it.


Travel brochures always say that the Linn Cove Viaduct has amazing fall colors.


This 1243-foot (380 m) concrete segmental bridge on the Blue Ridge Parkway snakes around the slopes of Grandfather Mountain in North Carolina.




6. Du Toit Viaduct, South Africa

Du Toit Viaduct is situated in the Western Cape province of South Africa, on the Regional road R101 between Paarl and Worcester.



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