Traffic Lights and Other Things...The Life Of Garrett A. Morgan
What would our lives be like without traffic signals? We see them at almost every intersection. One of the first things you learned walking to school every morning was to pay attention to traffic signals. Watch the walk and don't walk signs. We were taught only cross the street when traffic stops at... Sign in to see full entry.
![Associated Content](http://www.associatedcontent.com/user/8835/mandaleesrc="http://www.associatedcontent.com/images/house_ads/cp-sp6.gif" border="0"></a>){kind=link}