Contrary to the road's name, it is not a controlled-access highway.

The two routes, now on a four-lane, controlled-access highway, follow a path which passes to the south of Mason City.

Opened in 1921, it is the oldest controlled-access highway in Europe.

The bypass section is a controlled-access highway and is often called the Ring Road.

When controlled-access highways undergo reconstruction, both sides are often reduced to one lane.

In 1950, a controlled-access highway, though crude by modern standards, opened and was at least partly known as Harbor Drive.

As part of a controlled-access highway, pedestrians and bicycles are also prohibited.

Pedestrians present an additional challenge as they continuously dodge traffic (even on controlled-access highways) and do not pay attention to vehicles.

MD 28 heads north as a controlled-access four-lane divided highway through residential areas.