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1.The Roman Roads were made with a tool called Groma to make them as straight as possible. Groma was basically two boards put together into a cross.
2.When the road had been planned the Roman soldiers would dig two ditches on both sides of the road to act as drains.
3. The stones were  gathered from the local area and laid down in different layers until they formed a hard surface that could take the weight of heavy carts. The surface of a Roman road was shaped into a camber so that rain water would just run off into the ditches.

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1.The Romans used stone and concrete to build their bridges. They used the arch as the basic architectural feature to make them strong.The largest Roman bridge ever built was the Trajan bridge. It was over the river Danube. It was over 3700 feet long and 62 feet high.
2. They used the arch as the basic architectural feature to make them strong.
3. Some bridges that the Romans built still stand. For example, the oldest Roman bridge is the Pons Fabricius. Its Italian for  Ponte Fabricio, meaning "Fabricius' Bridge".

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1. The arches were usually made out of stone, bricks, and concrete.
2.Arches could be found in bridges, and/or aqueducts.
3.For bridges the arch was used as a strong and steady base to hold other arches on top of it.

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1.The columns were carved with leaves and flowers, scenes of battles, and mythological creatures.
2.There were rules that  were used to build their buildings.
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