The black and yellow signs are called advisory speed limit signs. They indicate a speed recommendation-- when it may be non-obvious to the driver that the safe speed is below the legal speed.

So, L., keep an eye out for the signs – they should be arriving in six-to-eight weeks or even sooner, Widor said, with the speed limit likely staying at 65 mph. Related Articles ...

Between Hundertmark Road and Pioneer Trail, the speed limit signs are black, white and green all over. If you take a close look, it does seem a little off, but this is actually a pretty common sight.

The national speed limit sign. -Credit:Getty Images. ... Unlike numbered speed signs, the national speed limit symbol relies on drivers remembering the associated rules ... "It’s not as a clear ‘30’ ...

The Ohio Department of Transportation plans to “white out” portions of speed limit signs along Ohio’s interstates to advise truck drivers they can now travel at 65 mph on those roads ...

The speed limit in urban cores will be reduced from 50km/h to 30km/h. The meaning of the rural speed limit sign, which is a white circle with three diagonal black lines, will also change from 80km ...

ANDOVER — Yellow and black, the signs are hard to miss. They dot the town — often in clusters. In large black print, the lawn signs announce a 25 mph town wide speed limit.