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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.

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What is difference between road tar and asphalt?

Road tar is made from coal. Asphalt is a heavy fraction of petroleum.


Is drive bicycle easy on tar road or rough road?

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What is tar used for?

Tar is used so The road workers may fill in cracks on the road so they do not spread out more.


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Is tar road better than concrete road?

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Who when and where was the first boat invented?

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