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.
Among Facebook couples around the world, men averaged 2.4 years older than their female partners, while the majority (67%) of relationships involve an older man and young female. About 20 percent of Facebook couples involve an older woman and younger man, while 13 percent of partners are the same age.