Aggregates: Origin, classification, requirements, properties and tests on road aggregates for flexible and rigid pavements, Importance of aggregate shape factor in mix design. Bitumen and Tar: Origin, Preparation, properties and tests, constitution of bituminous road binders, requirements, criterion for selection of different binders, Bituminous emulsions and Cutbacks: fillers, extenders, polymers, crum rubber and anti - stripping agents on pavement performance. Bituminous mixes, Cement Concrete for Pavement Construction