Updated 8:00 AM EST, April 15, 2008
Deployment Statistics
Sources [Part 3] of Data for the 511 System (including private traveler information, cellular phone calls, information service providers, news media and National Weather Service [NWS])
2004 National Summary
States Surveyed / Returned Survey
Number of States with 511 Systems
Number of States Reporting System that Use Data from the Following Sources