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 frequency that one or more telecommunications devices associated with one or more possible freight vehicles visited one or more locations; and selecting the one or more locations at which the one or more telecommunications devices associated with the one or more possible freight vehicles visited most frequently relative to other locations as a meaningful vehicle location; and wherein the obtaining, performing, identifying, and tracking steps are performed via a processing device and a memory.