The goal of road transportation supplies analysis is to allocate thelimited resource effectively; to bring best social and economic benefit, tosatisfy a maximal transportation demands volume. By showing characteristicsof the transportation demand and supply, the paper firstly analyses the factorsthat influent the transportation supply; then exp]ains its volume and efficiency,which organically constitute the effective supply, lastly present a theory thataccompany the transportation system's development is a dynamic progressionthat the transportation supply continuously adapt to the transportation demand. |