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Types of Roads Purchase Transportation System & Hire Contactors $3,500 ASPHALT Is a sticky, black and highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product; it is a substance classed as a pitch. $2,500 Rock Road $4,000 Concrete Road $500,000 (2) Public Bus $300,000 (4) Taxi Cabs $700,000 (1)Tain $600,000 (1) Ferry 15,000 (20) Bicycles 300,000 (1)Trolley Car
