Diamond Shape means: {Ans: Hazardous, unusual conditions ahead AND WARNING. 1) Warning signs e.g., school zones, winding roads, narrow bridge, fallen rocks, cattle crossings, Two-way traffic, bike crossing, "left lane ends", "slippery when wet", "Low clearance", T-Intersection ahead", Chevron (a sharp change ahead), etcetera. 2)Hazardous conditions call for caution and usually for a slower speed (e.g., sign/signal for a 4-way stop).}You may NOT make a U-turn {Ans: }A child in a child passenger system (car seat) should: {Ans: Be facing the rear of the car seat (if less than 20 pounds and under 1 year old) AND should be facing forward (if the child is 1-3 years old and over 20 pounds).}Channeling Devices (usually orange) {Ans: 1)Barricades, vertical panels, drums, and cones. 2)Alert drivers of unusual or potentially dangerous conditions in highway and street work zones. 3)Guide drivers safely through the work area. 4)May be equipped with warning lights at night. 5)Stripes on barricades and panel devices slope downward in the direction traffic must travel.}When you approach a railroad crossing and a train is coming, you must stop between: {Ans: 15 and 50 feet from the railroad tracks!}Broken Yellow Lines {Ans: Indicates that you