Here’s what to know. Yellow speed limit signs, such as this one on Blue Ridge Road in Raleigh, are called “advisory speed limit signs,” according to the Federal Highway Administration.

Off-ramps typically have an advisory speed posted on a yellow sign to let you know that you’ll need to slow down to a safe speed. Maybe you’ve heard that advisory speeds can’t be enforced.

You’ll often find advisory speeds paired with a warning sign alerting you to an upcoming change in “horizontal alignment,” which is traffic engineer speak for a curve in the road.

The Nebraska Department of Transportation has begun testing Variable Advisory Speed (VAS) signs along Interstate 80 from the Wyoming state line east to the Oshkosh interstate exit 95.

The Oregon Department of Transportation is continuing its installation of the variable advisory speed signs in the metro area and will close the right lane of I-5 southbound from the Corbett ...

The signs will span across the freeway from the Bay Bridge to the Carquinez Bridge and will feature Lane Use Signs and Variable Advisory Speed Signs. They will stay dark unless something blocks a ...

When you said the speed limit for the roundabout is 10 mph, I was skeptical, even as an advisory speed. The Department of Transportation Design Manual specifies that roundabouts be designed for ...

Here’s what to know. Yellow speed limit signs, such as this one on Blue Ridge Road in Raleigh, are called “advisory speed limit signs,” according to the Federal Highway Administration.

Here’s what to know. Yellow speed limit signs, such as this one on Blue Ridge Road in Raleigh, are called “advisory speed limit signs,” according to the Federal Highway Administration.

Here’s what to know. Yellow speed limit signs, such as this one on Blue Ridge Road in Raleigh, are called “advisory speed limit signs,” according to the Federal Highway Administration.