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

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