Question

what piece of roman engineering can still be seen today? the interstate highway system the lock system for canals the bridges and aqueducts

Explanation:

Roman bridges and aqueducts are remarkable feats of engineering. Many Roman aqueducts, like the Pont du Gard in France, are still standing. Roman bridges, such as the Alcántara Bridge in Spain, also endure. These structures showcase Roman engineering prowess and are visible today. The interstate highway system is a modern - day creation, not Roman. The lock system for canals was developed later in history, not by the Romans.

Answer:

the bridges and aqueducts