Incredible Fastest Asphalt Paving Equipment Machines - Amazing Modern Road Construction Machine
Tarmac, short for tarmacadam, is made when a layer of crushed stone or aggregate is coated and mixed with tar. ... Asphalt, on the other hand, is a more modern variation in which the tar is replaced by bitumen (a byproduct of petroleum distillation).
Whilst initially more expensive than asphalt, in the long run concrete is cheaper than asphalt. This is thanks to the high durability and low service costs of maintaining concrete. In comparison, asphalt requires more regular resealing and upkeep work due to its shorter longevity, and thus maintenance costs are higher