f6ab1d71____Regulations___VLEX_19948537__Mountinglocation
[Number and color] 2 Red (not required on truck tractor). [Mountinglocation] 
On each side as far to the rear as practicable
49 CFR 571.108 - Standard No. 108; Lamps, reflective devices, and associated equipment. - Regulations - VLEX 19948537
Mountinglocation