Samsung has created this.
cnbc.com/id/102780948
Theyd be getting nicked left, right and centre. Imagine how long theyd be fixed to the doors if parked up in a lonely layby for the night. I`d be tempted to have one away meself. 
Bit OTT of em to describe it as a "prototype truck" tho - its really nothing more than a camera and screen(s).
“Loose Chippings”. Gritters. oops.
Ha ha - nice one.
Do keep up.