the US used to have unrestricted speeds outside town. The speed limit would be "reasonable and prudent". I think 1975 the 55mph national speed limit put an en

the US used to have unrestricted speeds outside town. The speed limit would be "reasonable and prudent". I think 1975 the 55mph national speed limit put an end to all of that. https://www.nps.gov/features/yell/slidefile/gatewaycommunities/north/Images/15923.jpg https://www.nps.gov/features/yell/slidefile/gatewaycommuniti...