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PA Height Modernization
L. Bradley Foltz, P.L.S., C.P.
Chief - Photogrammetry & Surveys Section
PennDOT
Bureau of Design
Design Services Division
Pennsylvania
• PA FBN / CBN completed in 2000– 130 stations
• FBN / CBN ties to adjacent states completed in 2003
Continuously Operating Reference Stations
• B / First-Order Monumentation
• Right-of-Way Monumentation
• Topographic Survey Control
• Construction Control
• G.I.S. Base Mapping
• Airborne GPS
• Less people / time = saves your TAX $$$
PennDOT Operated - CORS
Seven (7) operating sites:
WIL1 = Penn State - Wilkes-Barre
PSU1 = Penn State - Univ. Park
PIT1 = Penn State - New Kensington
PARL = Penn State - Warminster ARL
PAPT = University of Pittsburgh
UPTC = Univ. of Pitt. Titusville
YORK = PennDOT York County Maintenance Office
Other PA - CORS
Four (4) other PA operating sites:
HRN1 = USCG - Philipsburg
LYCO = Lycoming Co. - Williamsport
CHES = Chester Co. - West Chester
GTS1 = GTS Tech. - Harrisburg
Pennsylvania - Current CORS Coverage
www.penndotpams.org
www.penndotpams.org
• From 1968 to present• Aerial Photography +700,000 exposures• Projects +10,000• Horizontal Survey Control +1,000• Vertical Control +2,000
Why - Height Modernization
• Standardized• Legally Established• Greater Accuracy• Replace Destroyed Monuments• Possible $1 Million available for PA annually• Reduce Field survey Costs: Highway/Bridge,
other State Agencies, External Customers
Height Modernization
• Applications for Heights– Floodplain Mapping– Regional & Urban Planning– Erosion Mapping– Transportation Mapping
• Accessibility, Reliability
Height Modernization
Questions ???