Transportation saftey is very important to any age of people. Everyone should obey the rules so that it would be a safe place. People who walk should be on the sidewalk and crosswalk, whereas also they should not play, look ahead and watch out cars. People who ride bikes should always go ahead until the green light has lit, and beware of traffic 再答： 采纳，可以么 再答： 采纳，可以么
