Having up-to-date equipment is important to sound traffic signal operations. The signal controller should be upgraded, at a cost of approximately $10,000 each, minimally every 10 years. Routine traffic signal timing updates cost $3,000 or less per intersection.
Facebook. 1  the brand name of a social media service and website, launched in 2004. 2  to communicate with (a person) or search for information about (a person) by using Facebook: My old boyfriend just Facebooked me. 3  to post on Facebook: I facebooked some photos of my cat.
Friends can stay connected through the Facebook social networking site. Facebook shouldn't be the sole means that a person uses to connect with friends. Facebook began at Harvard University. A popular Facebook features allows users to upload photos taken with a digital camera to the site.Facebook is a social networking website intended to connect friends, family, and business associates. People can use social media to find new friends with similar interests.acebook shouldn't be the sole means that a person uses to connect with friends. Facebook began at Harvard University. A popular Facebook features allows users to upload photos taken with a digital camera to the site.