PAT's operations director cited multiple factors, including fare increases, van pools, and a generally poor economic situation in the Monongahela Valley.

The bridge was built in 1972, as part of a 1960s-era project to increase access to the industrial Monongahela Valley through a semi-freeway connection to Interstate 70.

The Chicago area was not, however, the heart of the steel industry; the Monongahela Valley was.

Graduates from these programs were primarily hired by businesses in and around the Monongahela Valley.

During the 1950s, he joined his father-in-law Antonio Ripepi crew operating gambling rackets in the Monongahela Valley.

Coal defined the region and the lives of those who inhabited it, and made not only Greensboro and the Monongahela Valley prosperous, but the nation as well.

You'd have these great orators - you know, the "Out of the Monongahela Valley strode a man" sort.

Donner then shifted his energies from Indiana to the Monongahela Valley of southwestern Pennsylvania.

Many coal trains coming out of the Monongahela Valley also use this bridge.

Meanwhile, the Fairmont coke plant was one of the worst polluters in the Monongahela Valley and Posner stopped investing in it.