Right-of-Way and Utilities section
Interstate and and Federal Aid Primary Highway Systems as of June 1, 1991

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INDIVIDUAL COUNTIES in PDF* format (BELOW)

Please click on one of the counties on the map below to view its corresponding detailed map. These maps may take some time to download to your PC. Consequently, you must expect to wait for them to load. Times can vary depending on network traffic.
* If you want to view the PDF files and you do not have Acrobat Reader 4.0 on your PC please contact your System Administrator to have the software loaded.
* If you have Administrator privileges to install software then you may download the latest version by clicking on this Adobe web site link.


Erie County Crawford County Mercer County Lawrence County Beaver County Allegheny County Washington County Greene County Fayette County Westmoreland County Indiana County Armstrong County Clarion County Venango County Forest County Warren County McKeanCounty Elk County Cameron County Jefferson County Butler County Clearfield County Cambria County Somerset County Bedford County Blair County Fulton County Centre County Huntingdon County Juniata County Mifflin County ClintonCounty Potter County Tioga County Bradford County Lycoming County Sullivan County Columbia County Montour County Northumberland County Union County Snyder County Dauphin County Perry County Cumberland County Franklin County Adams County York County Lancaster County LebanonCounty Chester County Delaware County Philadelphia County Montgomery County Bucks County Berks County Schuylkill County Lehigh County Northampton County Carbon County Monroe County Wayne County Pike County Luzerne County Lackawanna County Wyoming County Susquehanna County