Bituminous materials are used in highway construction primarily because of their ____.
A. black colour which facilitates road markings
B. load bearing capacity
C. high specific gravity
D. cementing and waterproofing properties
Answer:D
Bituminous materials are used in highway construction primarily because of their ____.
A. black colour which facilitates road markings B. load bearing capacity C. high specific gravity D. cementing and waterproofing properties