Building Roads

How have roads changed over time? What materials and machines are needed to build roads? Who suggested using Tar? Why is asphalt used now? What do you find under roads?

ISBN 9781741201215
Series Wings
Author Steer, Michael
Illustrator Smith, Martin
Format Small Book
Text Type Report
Reading Level Level 24
Classification Nonfiction
Stock High
Release Date December 15, 2005