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Thesaurus Term : 511 Calls

Scope note
A phone number available in some North American locations for information about road, traffic, transit and weather conditions. Its assignment was created after various studies showed that people dialed the 511 number more often than the local seven-digit alternative, and also that cities which used it had less traffic problems than those who did not. Its use is being promoted by the US Department of Transportation's Intelligent Transport Systems initiative.
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