1. PA Height Modernization L. Bradley Foltz, P.L.S., C.P. Chief - Photogrammetry & Surveys Section PennDOT Bureau of Design Design Services Division

2. Pennsylvania PA FBN / CBN completed in 2000 –130 stations FBN / CBN ties to adjacent states completed in 2003

3. 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 $$$

4. 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

5. 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

6. Pennsylvania - Current CORS Coverage

7. www.penndotpams.org

8. From 1968 to present Aerial Photography +700,000 exposures Projects +10,000 Horizontal Survey Control +1,000 Vertical Control +2,000

10. 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

11. Height Modernization Applications for Heights –Floodplain Mapping –Regional & Urban Planning –Erosion Mapping –Transportation Mapping Accessibility, Reliability

12. Height Modernization Questions ???