Why don't UPS trucks have any doors??

Question

I was driving today and I looked to my left and saw the legs of a UPS driver and wondered why the truck doesn't have any doors. Just curious :)

Answer 1

They do -- they're 'pocket' doors -- they slide out of the way when driven in warm weather.

Answer 2

they do have doors.  the driver just keep them open most of the time.  the doors slide back into the cab of the truck.

Answer 3

They have pocket doors.  They leave them open so they can be efficient... in and out (this is according to multiple UPS employees)

Answer 4

They have doors (that slides in to the body).

good luck...