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On secondary roads, if the speed is not posted, it is generally 55 mph.
Arizona law is confusing. There is a state maximum 85 MPH limit There is a separate law which says that a 55 MPH limit is absolute. There is another law which sets absolute speed limits of 65 and 75 on rural Interstates. In fact the rural Interstate speed limit is 75 ( and the limit on most other rural roads is 65. The maximum posted speed is 75 mph although the primie facie speed limit is 85 mph for rural highway (outside areas of 50,000 or more population). Within city areas such as Phoenix or Tucson the posted limit varies between 55-65 mph although 85 is still the primie facie limit. The 55 as absolute limit is probably left over from the era when 55 was the maximum limit nationwide and is simply a "waste of finite resources" violation.
The highest speed limit on the Interstates is 75 MPH.
Yes, but they still have speed limits. Its law, the default for highways is 70 "unless otherwiese posted" 55 rural, 25 residential....
60
Usually lower.
Depends on who administers the road. If it's a private road, the speed limit will be whatever the owner of the road determines it to be. In most instances of gravel roads not being private roads, they'll typically be county roads, and the county will have the jurisdiction to determine the speed limit.
George W. Dougherty has written: 'Increasing the speed limit in Georgia' -- subject(s): Interstate Highway System, Rural roads, Speed limits, Traffic safety
The speed limit for national roads in Ireland is 100 kilometres per hour.
In most countries, on most roads, there is no minimum.
It is illegal to break the speed limit on public roads.
70