More on macadam road from Infoplease:

• pavement - pavement pavement, the wearing surface of a road, street, or sidewalk. Parts of Babylon and Troy ...
• macadam: meaning and definitions - macadam: Definition and Pronunciation
• binder: meaning and definitions - binder: Definition and Pronunciation
• gravel - gravel gravel, particles of rock, i.e., stones and pebbles, usually round in form and intermediate ...
• road - road road, strip of land used for transportation. The history of roads has been related to the ...

See more Encyclopedia articles on: Technology: Terms and Concepts