How was the via appia made?

Answer 1

They used an instrument called the Groma to plot straight lines. Then a trench was dug, filled with boulders and sand, next came mortar compacted gravel was laid down, and finally came thick paving stones were arranged smoothly which allowed a rainwater drainage system.

Answer 2

The Appian way (Via Appia) was the most strategically important road in ancient Rome. It stretched from Rome all the way down to Brindisi, a distance of 266 miles (477km).