Normally tarmac
sand gravel, asphalt, pavement, concrete, and rebar
The Romans made their roads using layers of different sized rocks. Their roads were very strong and durable. Some still exist today.
The difference between the four roads are; the expressway is designed to carry huge amounts of traffic quickly over long distances. Arterial roads carry moderate amounts of traffic over shorter distances. Collector roads move traffic from local roads to areterial roads. Local roads that are smaller and narrower than arterial roads.
The Romans built stone-paved roads which were covered with local rocks cut into squares or polygonal slabs of lava. These roads had a military purpose. They made the movement of soldiers and the delivery of supplies to troops at the front or stationed in garrisons much easier and faster. Their military nature was also shown in by the fact that they were usually built on a straight line, even when they crossed hilly areas. Traders also used these roads to transport their goods. They complained that the straight tracts over steep gradients made it very difficult for their laden wagons. After these complaints at least some of these tracts were redesigned to allow for less steep gradients. The paved roads covered 20% (80,500 kilometres, 50,313 miles) of the total network of roads (400,000 kilometres, 250,000 miles) in the Roman Empire.
No the roads are made out of asphalt.
Modern roads in Italy are made by the government just like they are everywhere.
ROADS ARE MADE OF ASPHALT.
Roman roads were made with interlocking stones or pavers and still exist. They were well made. Modern are made with a tar base and eventually break down.
concrete
corduroy
Roads have been dated back to 4000BC in the Middle East.
One example of a human-made feature that a geographer might study is urban sprawl. Geographers would be interested in examining how cities expand over time, the factors driving this expansion, and the impact it has on the environment and society.
Yes, they are manmade, just all roads on Earth.
Romans use the Groma to buils the roads. The roads that are made by Romans are straight. The Groma makes the roads straight
Stones-cobbled.
bitumen