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Sigalert! Freeway Traffic Advisories

  Link Details for: Sigalert! Freeway Traffic Advisories
Link Title: Sigalert! Freeway Traffic Advisories Open in a new window
Link URL: http://users.snowcrest.net/marnells/sigalert.htm
Link Details: History and development of the "SigAlert" traffic advisory system, by Loyd Sigmon of KMPC, first used LAPD and later, the CHP.
Category: Top : Regional : North_America : United_States : California : Transportation
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Sigalert! Freeway Traffic Advisories