In goods transportation what are the cost factors to be come to a cost per km and cost per kg/ltr?

Affected by the cost of the means of transport on several key factors are the size of the cargo transported track type and size and possibilities of the transport time and the type of article and finally the possibilities and conditions of loading and unloading.
Overall, productivity depends on workers: • the cost of transportation.
• The level of service provided by the means of transport