Seasonality analysis
Freight modeling is currently a very hot topic in the US, and California currently has its CSFFM being developed at UCI by a team to which I belong.
First of all, there are two main streams of freight modeling. The first one has a more urban accent to it, and usually models truck movements, like the one used by SCAG. The second type is a commodity-based model, like our very own CSFFM.
