See this fact sheet for the capabilities of the Traveler Information Messages Tool
https://highways.dot.gov/sites/fhwa.dot.gov/files/FHWA-HRT-26-018.pdf
See this fact sheet for the capabilities of the Traveler Information Messages Tool
https://highways.dot.gov/sites/fhwa.dot.gov/files/FHWA-HRT-26-018.pdf