John F. Carr wrote:

> States where I know there are non-freeway rural four lane roads
> with the maximum speed limit on such roads between two lane
> freeway limits are Alabama (65 on four lane roads), Florida
> (65 on divided highways), Indiana (60 on divided highways
> without access control), Missouri (65 on divided highways
> without access control), North Dakota (70 on divided highways),
> South Dakota (70 on divided highways), Washington (65 on
> divided highways), and West Virginia (65 on limited access
> corridor routes). Of the rest, some post expressways like
> freeways and others post expressways like two lane roads.
> --

Missouri has several 4-lane expressways with 70 MPH limits. They are
US 63 between Columbia and Jefferson City and US 54 between Kingdom
City and Jefferson City. (I think other parts of US 54 may be posted
at 70 MPH as well.)

John Brocato