What Is Road Tar Made of?

Answer

Road tar is usually made from a mixture of bitumen and rocks. Bitumen is a sticky and highly viscous liquid, and this two properties provide the binding characteristic that helps in creating asphalt concrete used in road construction. This material is extracted from crude oil.
Q&A Related to "What Is Road Tar Made of?"
Roads aren't made of tar, you are thinking of asphalt or bitumen. These materials are relatively inexpensive and readily available. Asphalt often performs well when compared to alternatives
http://www.quora.com/Why-are-roads-made-of-tar
1. Pour 3 parts of baking soda and 1 part of water into a plastic container. Stir with a spoon to form a soft paste. 2. Dampen a soft, non-abrasive cloth under running water. Squeeze
http://www.ehow.com/how_6321837_road-tar-off-car.h...
John Loudon McAdam, a Scottish road building expert, is credited with being the first to build tar surfaced roads. That is why they are called macadam roads.
http://wiki.answers.com/Q/Who+invented+road+tar
Tar prevents the aggregate and bitumen mixture from cracking and seals out
http://www.chacha.com/question/what-is-the-reason-...
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