United States. Federal Highway Administration. Office of Safety and Operations Research and Development (2026). A Web-Based and Open-Source Tool to Simplify Traveler Information Message Development for Connected Infrastructure [fact sheet] (Report No. FHWA-HRT-26-018). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://doi.org/10.21949/1sxq-4x30
United States. Federal Highway Administration. Office of Safety and Operations Research and Development. A Web-Based and Open-Source Tool to Simplify Traveler Information Message Development for Connected Infrastructure [fact sheet]. Report no. FHWA-HRT-26-018. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2026. https://doi.org/10.21949/1sxq-4x30.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development A Web-Based and Open-Source Tool to Simplify Traveler Information Message Development for Connected Infrastructure [fact sheet]. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2026, Report no. FHWA-HRT-26-018, ROSA P. https://doi.org/10.21949/1sxq-4x30.
The U.S. Department of Transportation’s (USDOT) open-source traveler information message (TIM) Creator tool simplifies the creation of SAE International® J2735™ TIM messages that support connected and automated vehicle (CAV) applications. TIMs are used to communicate roadway and traveler information similar to the information from road signs or dynamic message sign units such as work zone, speed, or event notices. The tool provides a user-friendly, browser-based interface for defining message content, location, and timing parameters (figure 1). Users can create, edit, and validate messages, then export ASN.1 Unaligned Packed Encoding Rules (UPER)-encoded outputs for deployment through roadside units, traffic management systems, or other connected infrastructure tools such as Vehicle-to-Everything (V2X) HubSM.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development (2026). A Web-Based and Open-Source Tool to Simplify Traveler Information Message Development for Connected Infrastructure [fact sheet] (Report No. FHWA-HRT-26-018). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://doi.org/10.21949/1sxq-4x30
United States. Federal Highway Administration. Office of Safety and Operations Research and Development. A Web-Based and Open-Source Tool to Simplify Traveler Information Message Development for Connected Infrastructure [fact sheet]. Report no. FHWA-HRT-26-018. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2026. https://doi.org/10.21949/1sxq-4x30.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development A Web-Based and Open-Source Tool to Simplify Traveler Information Message Development for Connected Infrastructure [fact sheet]. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2026, Report no. FHWA-HRT-26-018, ROSA P. https://doi.org/10.21949/1sxq-4x30.
ROSA P serves as an archival repository of USDOT-published products including scientific
findings, journal articles, guidelines, recommendations, or other information authored or co-authored by
USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to
ensure public access to scientific information.
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