A method of controlling access to a movable container, the method comprising
controllably
locking the container using an electronically actuated locking mechanism; storing
in a memory a desired geographical location; determining the geographical location
of the container; and enabling the locking mechanism to unlock the container if
the determined geographical location matches the desired geographical location.
A secure cargo transportation system comprises a vehicle including an enclosure
having an opening; a door movable relative to the opening between a closed position,
wherein the door restricts access to the enclosure, and an open position; an electronically
actuable lock configured to selectively lock or unlock the door relative to the
enclosure; a memory supported by the vehicle and configured to store a location
coordinate; and a global positioning system supported by the vehicle and coupled
to the memory and to the lock, and configured to enable the lock to unlock the
door if the vehicle is within a predetermined distance of the location coordinate.