What is the highest posted speed limit currently found in the United States?
The highest posted speed limit currently found in the United States is 85 mph. This speed limit is only posted on a single stretch of tollway in Texas, specifically on a portion of State Highway 130 between Seguin and Austin. Other states, such as Idaho, Montana, Nevada, South Dakota, Utah, and Wyoming have posted speed limits of up to 80 mph.
Source:
https://www.youtube.com/watch?v=vkxBVDGWQy0
https://www.threads.com/@beliproduk.official/post/DO9StbCksX7