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.
6 new facts about Facebook. Facebook turns 10 tomorrow and reaches that milestone as the dominant social networking platform, used by 57% of all American adults and 73% of all those ages 12-17. Adult Facebook use is intensifying: 64% of Facebook users visit the site on a daily basis, up from 51% of users who were daily users in 2010.