Freight is a short-medium range map, with lots of opportunities to use shotguns and submachine guns. It also has areas that are good for assault rifles. Several buildings provide spots that can be used to use long range weapons from, like sniper rifles and light machine guns.
Inside a crate only accessible in Spectator mode, a teddy bear can be seen. As well as a STOP sign next to a hammer and a clock, referencing the iconic line, "Stop. Hammer time!", in MC Hammer's 1990's song U Can't Touch This.
On one of the buildings, there is a large poster that says 'PORTER'. Directly referencing the Infinity Ward art designer; Jon Porter.
A train whistle coming from outside the map can be heard periodically.
Some shipment containers bear the label of Fregata Industries from Modern Warfare 3, albeit without the logo.