Until 1995 in Montana near the Idaho border, I-90 was not a divided highway for a few stretches, having only a narrow paved median.

Trees lined the narrow median on Madison.

Continuing northeast, the state highway gains a narrow median and intersects Grubb Road.

The more recent schemes have narrow medians, only 3 metres in width, with a concrete barrier in the middle.

The ramps merge and MD 140 continues northwest as a four-lane divided highway with a narrow median.

From Cedar Lake to Kentland, US 41 is relatively an older divided highway with a narrow median.

Although it is 4 lanes, it is a relatively older pre interstate era highway coated with asphalt and a narrow median.

The city is now proposing a compromise, with a narrower raised concrete median and separate bike path.

This is similar to what the Pennsylvania Turnpike did in the 1970s, as that highway has an even narrower median.

Stone Road is a four-lane highway, mostly divided by a relatively narrow median.