The Blue Belt is Pittsburgh, Pennsylvania's fifth and innermost original "belt" in the Pittsburgh/Allegheny County Belt System, running a complete circumference of the city in 40 miles. The belt was originally set up in the 1940s though the current route was adjusted in the 1970s. City nickname: The Steel City Location in the state of Pennsylvania Founded 1758 Mayor Tom Murphy (Dem) Area - Total - Water 151. ... State nickname: The Keystone State Other U.S. States Capital Harrisburg Largest city Philadelphia Governor Ed Rendell (D) Official languages None Area 119,283 km² (33rd) - Land 116,074 km² - Water 3,208 km² (2. ... The Pittsburgh/Allegheny County Belt System is Pittsburgh, Pennsylvanias unique set of originally five colored roadways belts first set up in the 1940s by Joseph White to relieve congestion on the major routes into and out of the city. ... // Events and trends The 1940s were dominated by World War II, the most destructive armed conflict in history. ... This article provides extensive lists of events and significant personalities of the 1970s. ...
The current Blue Belt runs relatively close to skirting the border of the City of Pittsburgh on all sides, though it does make excursions into border towns such as Dormont, Pennsylvania. In its path around the city, the belt crosses or joins PA 8, PA 28, PA 51, PA 88, PA 121, and PA 837. It also briefly joins US 19. Only a small portion of the route (on PA 28) is an expressway. Dormont is a borough located in Allegheny County, Pennsylvania. ... United States Highway 19 is a north-south United States highway. ... An expressway is a divided highway, usually 4 lanes or wider in size, where direct access to adjacent properties has been eliminated. ...