MD 246 was expanded to a multi-lane highway in the 1990s.

Much of the highway through Edgewood was expanded to a divided highway in the mid-1990s.

At some point, the road expands to a four-lane divided highway.

The state highway was expanded to a four-lane divided highway between 2008 and 2010 in response to increased activity at the military base.

The route was expanded to a divided highway from the parkway to MD 198 between 1976 and 1978.

MD 404 was expanded to a four-lane divided highway in 1948 and 1949.

The remainder of the route to Kensington was expanded to a divided highway between 1957 and 1960.

MD 704 was expanded to a divided highway through the highway's interchange with the freeway as part of the construction.

The remainder of the highway was expanded to a divided highway in the 1990s.

The first section of US 113 to be expanded to a divided highway was in Dover.