Show unusual warning signs now displayed on roads from time to time one hears erl criticism iti of the effectiveness of the con C vent ven tlona ional warning signs drivers it la Is 0 objected have become so BO accustomed to them that they no longer pay heed to the cautionary injunctions they display pl 11 y these critics should be pleased with the original and novel note struck by experiments carried on by the traffic authorities of detroit they time have endeavored deavo red to inject emphasis into their warring sign ign system and have designed two unusual types the one la is a skull and crossbones cros warning for safety zones the skull and crus bonefas tire illuminated la in a flaming neon red surmounting it la Is an amber caution light with two more amber lights beneath the other novelty la Is the rubber lady it carries an amber reflector at the waistline and it a red reflector above the hem of tle the comans womans skirt its resilience atice permits it tob to ba a knocked down don und and resume an upright position immediately dia tely |