Mostly 100kph ( 60 mph ), 110 kph on some freeways. 130kph in the Northern Territory.
the posted speed limit
The speed limit for vehicles merging onto the highway from an on ramp is typically the same as the posted speed limit for that section of the highway.
The speed limit is 55mph.
The normal speed limit on the highway.
Germany is known for having sections of its Autobahn highway system with no speed limit. Other countries that also have roads with no speed limit include parts of the Isle of Man and certain rural areas in Australia.
No, it is not legal to exceed the speed limit on a highway under any circumstances.
The off-ramp speed limit on the highway is typically 25-35 mph.
Montana
The speed limit in the fast lane is the same as the speed limit for the road or highway you are driving on.
55 on the highway, and 30 in the city.
It all depends on the type of highway and the speed limit signs.
Whatever the posted speed limit is.