2000 TIGER/Line Files
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UA R TIGER/Line Files 2000 Technical Documentation R T O MEN F C RT OM U.S. Department of Commerce PA M E E D R . Geography Division C S . E U.S. Census Bureau U B U S R U E S AU EN OF THE C Acknowledgments The UA Census 2000 TIGER/Line® Files Technical Documentation was produced by the Geography Division under the guidance of Robert W. Marx, Division Chief, and Robert A. LaMacchia, Assistant Division Chief for Geocartographic Services. The UA Census 2000 TIGER/Line® Files Technical Documentation was written and edited by Catherine L. Miller (Products and Services Staff) under the guidance of Leo B. Dougherty (Chief, Products and Services Staff). Programming for this version of the TIGER/Line® Files was done by Joan Meiller (TIGER Systems Branch) under the guidance of Ricardo Ruiz (Chief, TIGER Systems Branch). Specifications for this version of the TIGER/Line Files were prepared under the guidance of Randy Fusaro (Chief, TIGER Operations Branch) and Joseph Marinucci (Chief, Geographic Areas Branch). UA R TIGER/Line Files 2000 Technical Documentation Issued April 2002 T O MEN F C RT OM PA M E E D R . C S . E U B U S R U E S AU EN OF THE C U.S. Department of Commerce Donald L. Evans, Secretary Economics and Statistics Administration Kathleen B. Cooper, Under Secretary for Economic Affairs U.S. Census Bureau C. Louis Kincannon, Director T O MEN F C RT OM PA M E E D R . C S . E U B ECONOMICS U S R U E S AND STATISTICS AU EN OF THE C ADMINISTRATION U.S. CENSUS BUREAU C. Louis Kincannon, Economics and Statistics Director Administration William G. Barron, Jr., Kathleen B. Cooper Deputy Director Under Secretary for Economic Affairs John H. Thompson, Principal Associate Director for Programs Preston J. Waite, Associate Director for Decennial Census Carol M. Van Horn, Assistant Director for Decennial Census GEOGRAPHY DIVISION Robert Marx, Chief Linda Franz, Assistant Division Chief for Geographic Operations David E. Galdi, Assistant Division Chief for Geographic Application Systems Carl S. Hantman, Assistant Division Chief for Geoprocessing Systems Robert A. LaMacchia, Assistant Division Chief for Geocartographic Services Suggested Citation TIGER/Line R Files: UA Census 2000 TIGER/Line R Files [machine-readable data files]/prepared by the U.S. Census Bureau-Washington, DC; 2002. TIGER/Line R Files Technical Documentation citation: UA Census 2000 TIGER/Line R Files Technical Documentation/prepared by the U.S. Census Bureau-Washington, DC; 2002. Table of Contents Introduction Changes To the UA Census 2000 TIGER/Line® File ................................................. I-2 UA Census 2000 TIGER/Line® Files.............................................................................. I-2 Field Definition Changes.............................................................................................. I-2 Census 2000 TIGER/Line® Files .................................................................................... I-2 How to Use This Documentation................................................................................... I-4 Chapter 1.......................................................................................................................... I-4 Chapter 2.......................................................................................................................... I-4 Chapter 3.......................................................................................................................... I-4 Chapter 4.......................................................................................................................... I-5 Chapter 5.......................................................................................................................... I-5 Chapter 6.......................................................................................................................... I-5 How to Obtain Other Products and Information........................................................ I-5 Chapter 1: Overview and Geographic Concepts Overview.............................................................................................................................. 1-1 What is TIGER®? ............................................................................................................ 1-1 TIGER® Database Extracts............................................................................................. 1-2 Relationship of TIGER/Line® to Census 2000 Statistical Data .................................. 1-2 UA Census 2000 TIGER/Line® Files............................................................................ 1-3 Related Files.................................................................................................................... 1-3 Summary Files (SFs)..................................................................................................... 1-3 Census 2000 Redistricting Data Summary Files ........................................................... 1-3 County-Based Files......................................................................................................... 1-3 The Data Content of the TIGER/Line® Files ................................................................ 1-4 Topology and Spatial Objects in the TIGER/Line® Files .......................................... 1-5 Spatial Objects in the TIGER/Line® Files..................................................................... 1-5 Topology ......................................................................................................................... 1-5 Terminology.................................................................................................................... 1-5 Node .......................................................................................................................... 1-6 Entity Point ................................................................................................................. 1-6 Complete Chain.......................................................................................................... 1-6 Network Chain ........................................................................................................... 1-6 GT-Polygon ................................................................................................................ 1-6 Spatial Objects ............................................................................................................... 1-7 Features ........................................................................................................................... 1-9 Left- and Right-Side Data Fields ................................................................................... 1-9 Single-Layer Topology ................................................................................................... 1-9 Table of Contents iii Introduction to the TIGER/Line® File Structure ........................................................1-10 UA Census 2000 TIGER/Line® File Record Types...................................................1-10 Record Type 1—Complete Chain Basic Data Record .............................................1-10 Record Type 2—Complete Chain Shape Coordinates .............................................1-11 Record Type 3—Complete Chain Geographic Entity Codes ..................................1-11 Record Type 4—Index to Alternate Feature Identifiers............................................1-11 Record Type 5—Complete Chain Feature Identifiers ..............................................1-11 Record Type 6—Additional Address Range and ZIP Code® Data .........................1-12 Record Type 7—Landmark Features..........................................................................1-12 Record Type 8—Polygons Linked to Area Landmarks.............................................1-12 Record Type 9—Key Geographic Location Features ...............................................1-13 Record Type A—Polygon Geographic Entity Codes ................................................1-13 Record Type C—Geographic Entity Names..............................................................1-13 Record Type H—TIGER/Line® ID History.................................................................1-14 Record Type I—Link Between Complete Chains and Polygons .............................1-14 Record Type P—Polygon Internal Point ....................................................................1-14 Record Type R—TIGER/Line® ID Record Number Range ......................................1-14 Record Type S—Polygon Additional Geographic Entity Codes..............................1-15 Record Type Z—ZIP+4® Codes..................................................................................1-15 The Relationship Between Spatial Objects and TIGER/Line® Record Types....1-15 Linkages Between Record Types..................................................................................1-16 Chapter 2: Version Code and Identification Numbers Version Code....................................................................................................................... 2-1 TIGER/Line® Identification Number (TLID)................................................................. 2-2 TLID Codes ..................................................................................................................... 2-2 TLID Record Locations .................................................................................................. 2-2 TLID Record Linkages...................................................................................................