Geographic Scope: S/R = state or regional; M = metropolitan
Content: TM = Traffic or Multimodal; RC = Road Conditions; TRS = Transit
Public Sector Respondents
| Name | Location | Geographical Scope | Content |
| Caltrans, District 4 | San Francisco, California | S/R | TM |
| Caltrans, District 7 | Los Angeles, California | S/R | TM |
| Caltrans, District 12 | Orange County, California | S/R | TM |
| Caltrans, District 11 | San Diego, California | S/R | TM |
| Orange County Transportation Authority | Orange County, California | M | RC |
| Metropolitan Transportation Commission (TravInfo®) | San Francisco, California | M | TM |
| Texas DOT (TransGuide) | San Antonio, Texas | M | TM |
| Texas DOT | Austin, Texas | M | TM |
| Texas DOT (TransStar) | Houston, Texas | M | TM | Texas DOT (DalTrans) | Dallas, Texas | M | TM |
| Texas DOT (TransVision) | Fort Worth, Texas | M | TM |
| Washington DOT, District 1 | Seattle, Washington | M | TM |
| Minnesota DOT (Orion) | Minneapolis, Minnesota | M | TM |
| Minnesota DOT | Minnesota | M | TM |
| New Jersey Transit | New Jersey | S/R | TRS |
| Georgia DOT | Georgia | S/R | TM |
| Maryland State Highway Authority | Maryland | S/R | TM |
| Utah DOT | Utah | S/R | TM |
| Pennsylvania DOT, District 11 | Pittsburgh, Pennsylvania | M | TM |
| Ohio DOT and Kentucky Transportation Cabinet (ARTIMIS) | Cincinnati and Northern Kentucky | S/R | RC |
| Missouri DOT (TRIP System) | Branson, Missouri | M | TM |
| Illinois, DOT | Chicago, Illinois | M | TM |
| Michigan DOT | Detroit, Michigan | M | TM |
| TransComm | New York / New Jersey / Connecticut | M | TM |
| Washington Metropolitan Area Transit Authority | Washington, DC | M | TRS |
| Regional Transportation Authority | Chicago, Illinois | M | TRS |
| Florida DOT (Sunguide) | Miami, Florida | M | TM |
| Wisconsin DOT | Milwaukee-Chicago-Gary corridor | M | TM |
| Virginia DOT | Hampton Roads, Virginia | M | TM |
| Connecticut DOT | Connecticut | M | TM |
| LVACTS | Las Vegas, Nevada | M | TM |
| South Carolina DOT | South Carolina | M | TM |
| Road Commission of Oakland County | Oakland County, Michigan | M | TM |
| Montana DOT | Montana | S/R | RC |
Private Sector Respondents
| Name | Location | Geographical Scope | Content |
| Travel Advisory News Network (TANN) | Los Angeles, California | M | TM |
| SmartRoute Systems | Various (currently 44) | M | TM |
| NBC Television Affiliate (WAVY 10) | Hampton Roads, Virginia | M | TM |
| Westwood One | Various | M | TM |
| Etak | Various | M | TM |
| Traffic.com | Various | M | TM |
| TrafficStation | Various | M | TM |
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