Today in america, most of our roadways and streets are paved with asphalt concrete. Asphalt concrete is a simple product in appearance produced primarily by adding asphalt cement to sand and rock.
What Are Roads Made Of?
Roads are made of many different materials. The most common material used for roads is asphalt. Asphalt is a black, sticky substance that is made from petroleum.
It is usually mixed with gravel or sand to make a smooth surface for vehicles to travel on. Other materials that are sometimes used to make roads include concrete, brick, and cobblestone.
Concrete is a mixture of cement, water, and sand. It is a very strong material that can last a long time. Brick is another strong material that is often used to make roads.
Cobblestone is a smooth stone that is often used to make roads in areas where there is a lot of traffic. Asphalt is the most common material used to make roads because it is very strong and durable.
It can also be repaired easily if it starts to crack or break. Concrete is also a popular choice for roads because it is very strong and can last a long time.
Brick and cobblestone are not as common as asphalt and concrete, but they are still used to make roads in some areas.
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