1. A method for freight vehicle monitoring, comprising: obtaining historical telecommunications data; performing vehicle location identification using the historical telecommunications data, wherein performing the vehicle location identification comprises using a machine learning based algorithm to determine one or more meaningful vehicle locations; identifying, based on the one or more meaningful vehicle locations, if one or more telecommunications devices are those of a freight vehicle occupant; and tracking a location of the one or more telecommunications devices identified as those of a freight vehicle occupant; wherein determining the one or more meaningful vehicle locations comprises: analyzing the historical telecommunications data to estimate a value corresponding to an amount of activity of one or more telecommunications devices in connection with one or more locations; and selecting the one or more locations at which the one or more telecommunications devices has a greater amount of activity relative to other locations as a meaningful vehicle location; wherein the one or more telecommunications devices are associated with one or more possible freight vehicles; and wherein the obtaining, performing, identifying, and tracking steps are performed via a processing device and a memory.