The Port of Pittsburgh Commission is a government agency of the Commonweath of Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

 that manages the port of Pittsburgh, which is the second-largest inland port

Inland port

The term inland port is used in two different but related ways to mean either a port on an inland waterway or an inland site carrying out some functions of a seaport.- As a port on an inland waterway :...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

M-70

The Commission has responsibility for Ohio River

Ohio River

The Ohio River is the largest tributary, by volume, of the Mississippi River. At the confluence, the Ohio is even bigger than the Mississippi and, thus, is hydrologically the main stream of the whole river system, including the Allegheny River further upstream...

 shipping within Pennsylvania, and the navigable portions of the Allegheny River

Allegheny River

The Allegheny River is a principal tributary of the Ohio River; it is located in the Eastern United States. The Allegheny River joins with the Monongahela River to form the Ohio River at the "Point" of Point State Park in Downtown Pittsburgh, Pennsylvania...

 and the Monongahela River

Monongahela River

The Monongahela River is a river on the Allegheny Plateau in north-central West Virginia and southwestern Pennsylvania in the United States...

. The federal Maritime Administration designated the Ohio River as part of a new federal marine highway, called M-70, with the name taken from I-70, a major highway used by trucks in the region.