Ancient Roman Roads

By: Kendra and Lexi

Focusing Question

How and why did the Romans build roads?


  • Over 700 years the Romans built 55,000 roads
  • The first road was built in 312 B.C.
  • They made over 80,500 km of paved roads
  • When they started on the roads there was a lot of stones
  • They were well built and the roads were able to go through storms freezing weather and only needed little preparing
  • Carts could travel around 8 miles on the roads

Reasons for roads

  • There were many reasons why the Ancient Romans built roads. One reason was they would allow the military troops to move faster and under the radar. This gave them a huge advantage over their enemies. They also built roads because permitted them to be able trade faster and more easily. Different kinds of goods and techniques were passed onto different people. Another reason why roads were built is because they made travel faster and more comfortable because horses and carts could travel with more ease. This provided people an unchallenging way to see other places. One last reason why Romans built the roads was that they would let messages to be sent faster. Emperors could rule more easily and a lot more communication could happen between Rome, Greece and parts of Gual.

How roads were built

  • Romans built roads by using these steps.
  • Used an instrument made of wood called a "groma" to make a straight line.
  • Dug and placed posts to mark a straight line.
  • Ditches were dug on both sides for drainage.
  • The remaining dirt was placed in the middle (could be very small to 6 feet high and 50 feet wide.) (It is called an agger.)
  • A shallow 8-10 wide hole was down the length of the agger.
  • The edges were lined with stones.
  • Six to eight inch stones were placed for a foundation layer.
  • Sand or volcanic concrete was placed on top
  • Fist sized rocks were placed over these foundation layers.
  • Larger stones were then cut to make a flat surface.


  • Roman roads impacted economics in the following ways
  • Transporting goods happened in a more timely manner.
  • It was less expensive to transport lighter goods with the roads.
  • The roads are sturdy and reliable and are still used to this day.
  • Romans were able to thrive off of imports.
  • Ideas, skills, and cultures could be shared amongst different groups of people.
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