• 2011 Highway Statistics
• 2010 Highway Statistics
• 2009 Highway Statistics
• 2008 Highway Statistics
• 2007 Highway Statistics
• 2006 Highway Statistics
• Highway Statistics FAQ

• HPMS: HPMS 2012 Quality Review



• PA Field Manual

• National Highway System (NHS)
• County Functional Class Maps
• Revisions to Functional Classification
• Template – Agency Cover Letter of Justification and Concurrence