The proverb “All roads lead to Rome” was once a literal statement. During the height of the Roman Empire, a road system of about 50,000 miles (80,000 km) linked Rome with its many provinces. The roads often ran in straight lines despite obstacles and were typically constructed in four layers. The road system improved travel for the Roman army, aided commercial ventures, and allowed a postal service to thrive. Some parts still survive today. What modern highways run along ancient Roman routes? Discuss