Traffic rules help to keep order on the road. They also help to keep people 1 . The pedestrian(行人) has as many rules to 2 as the driver of a car. You should walk on the side walk(人行道) or at the side of the road. Always look 3 before you walk across the street. If you like riding a bike, don't ride in the middle of the road or run 4 red traffic lights. When you ride a bike with a friend, don't look around or talk. If you drive a car,you should 5 at the traffic lights. You must always 6 a seat belt(安全 带). Without belts 7 the driver and the passengers may be badly hurt in a sudden accident. You may not need to take a bus, but8 if you have to travel in one. Get on or get off a bus only when it comes to a 9 .When it is full, don't try to get inside,10 you may fall off. Traffic rules are also called Road Safety rules. The maxim(格言) for all road users is "Thinking about others".