Patent ID: 8640718

Claim:
A wash system for vehicles in a wash location comprising: a rail system overhead of said location; a carriage mounted for movement along said rail system; a pair of spray arms depending downwardly from said carriage and into said wash location, wherein each arm comprises a breakaway mechanism between an upper portion of the arm and a lower portion of the arm, wherein each arm comprises vertically distributed nozzles for selectively directing washing fluids onto a vehicle in said location, and wherein the nozzles are arranged along a majority of the arm's longitudinal length that is beneath the breakaway mechanism; means for moving said arms toward and apart from one another and around a vehicle in said location to wash said vehicle; wherein each of said arms carries translucent tube along the arm that contains light sources and extends continuously along a majority of the arm's longitudinal length that is beneath the breakaway mechanism and wherein the translucent tube selectively and controllably provides columnar illumination along the length of the arm in such a way as to be visible to a driver of the vehicle while entering said location and being mounted on each arm in a location that does not obstruct the operation of said nozzles.