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.
Facebook Inc. operates a social networking website worldwide. The Company's products for users are free of charge and available on the Web, mobile Web, and mobile platforms, such as Android and iOS. Its website enables users to connect, share, discover, and communicate with each other. The Facebook Platform is a set of tools and application programming interfaces that developers can use to build social apps on Facebook or to integrate their Websites with Facebook. It offers products that enable advertisers and marketers to engage with its users.