Highland has contracted with various governmental agencies in Pennsylvania such as the PA Turnpike Commission, PA Department of Transportation or other PA entities on the following projects:
PA Turnpike, Mon-Fayette Expressway, Allegheny County
P3 Bridges, Statewide
PA Turnpike-Mainline, Allegheny County
District 10-0 Various bridge projects
District 11-0 P3 Bridge projects
District 11-0 Various projects
District 12-0 Various projects
District 12-0 P3 Bridge projects
Fayette County, Local Bridges
Allegheny County, Local Bridges