To guarantee a minimum business volume, each shipping company requests a minimum total freight quantity over all lanes if it is contracted.
It characterizes import/export freight flows by road as: origin and destination (respectively o and d); time period (h); freight type (s), e.g. perishable goods, non-perishable, and so on; average delivered/picked freight quantity (q); vehicle type (v).
origin and destination (respectively o and d); time period (h); freight type (s), e.g. perishable goods, non-perishable, and so on; average delivered/picked freight quantity (q); vehicle type (v).
These models allow us to carry out freight flows both in quantities and vehicles by considering (Fig. 1): a commodity level, in which the freight O/D matrices in quantity are estimated from socioeconomic data; a vehicle level, in which quantity flows are converted in order to obtain O/D matrices in vehicles (e.g. trucks or lorries).
a commodity level, in which the freight O/D matrices in quantity are estimated from socioeconomic data; a vehicle level, in which quantity flows are converted in order to obtain O/D matrices in vehicles (e.g. trucks or lorries).
The freight transport market has changed, from large quantities of bulk being transported by block trains, to smaller, more frequent shipments with a higher value and a faster and more reliable delivery requirement.
In addition, in urban conditions, the unit defining the quantity of freight may be left to the choice of the driver (weight, volume, pallets, boxes, etc).
In other words, the objective is not sensitive to the change in the quantity and freight of 'Crude Oil 8'.
But homeowners must pay the freight.
