Part of it is named for Commodore Oliver Hazard Perry, hero of the Battle of Lake Erie.

In northern Washington County, US 19 was modernized after the former Pittsburgh Railways Interurban (PRCo) trolley service was discontinued in August 1953.

Initially, US 19 ran parallel to the trolley line and later expanded over the tracks through part of Mt.

[citation needed] In 1987, the Phase One project started to connect two sections of Ohio River Boulevard near Western Avenue and Chateau Street.

[2] PennDOT started construction on a multilane roundabout at the intersection of US 19, US 6, US 322, and PA 98 in Vernon Township, near Meadville.

PA 97 was realigned to meet US 19 at a 90-degree angle, and new left turn lanes and traffic signals were installed.