Trucks have to park on the street, walk up to the ...

Trucks have to park on the street, walk up to the guard shack to check in, then check in at receiving, then walk back to your truck on the street, turn your CB on their channel, and wait for them to call you to get unloaded.
And I have never understood why warehouses charge to unload their products that they ordered.

The receivers are nice though unlike the guards