Engineer It! Road Projects

Engineer It! Road Projects book cover — SUPER SIMPLE ENGINEERING PROJECTS ENGINEER IT ROAD PROJECTS CAROLYN BERNHARDT CONSULTING EDITOR DIANE CRAIG M A READING SPECIALIST Super Sandcastle An Imprint of Abdo Publishing abdopublishing com

Engineer It! Road Projects — page 1 — A road WHAT IS A ROAD is a hard flat surface that people travel on Roads make it easier to move from one place to another About 2,000 years ago the ancient Romans built the first large system of roads There were Roman roads throughout Europe Africa and the Middle East Then about 600 years ago the Incas built a road system in South America ROMAN ROAD INCAN ROAD

Engineer It! Road Projects — page 2 — MODERN ROADS Road building methods have changed a lot since ancient times In the 1900s the invention of the car led to many road improvements Roads needed to be stronger to support the faster heavier traffic of cars and trucks Today there are millions of miles of roads to take you wherever you want to go

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