the slippery road warning sign. drive with caution. california usa, mojave desert usa

adventure advice alertness arizona attention background billboard car careful caution close concentration concept copy country countryside curve danger dangerous desert drive driving effect exhilaration exploration extreme gear gorge guidance hazard hill horizontal icon informationssign limit mojave mountain moving nature nobody pass peak photography placard place point ravine retangle risk road roadsign rocks rural safety sandstone security shield signage signpost slippery space speed steep street terrain texture top tourism trail trip uphill usa vacations vehicles viewpoint warning watch wilderness winding yellow