Q.Which mode of transport is generally the most economical for carrying very heavy, bulky cargo over long distances, such as coal or iron ore?

Cargo that is heavy, bulky and not urgently needed is best matched to the mode with the lowest cost per tonne over long distances, not the fastest mode. …

Rail transport is well suited to carrying very heavy and bulky cargo (such as coal, iron ore, cement) over long distances at a relatively low cost per tonne, on a fixed and reliable schedule. Air transport (option a) is by far the costliest mode and unsuitable for such heavy, low-value bulk cargo. Road transport (option b) becomes comparatively expensive for very he …

Choosing Road Transport for very long-distance, very heavy cargo — road remains best for shorter distances and door-to-door flexibility, but rail (or water, wher …