Iowa Department of Transportation
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ERL

Electronic Reference Library

Current ERL Issue - Oct. 20, 2009

Current ERL Issue - Electronic Reference Library

Browse ERL library

  1. Standard Specifications, Series 2009
  2. Supplemental Specifications
  3. Materials I.M.s
  4. Standard Road Plans
  5. Standard Culvert Plans
  6. Standard Bridge Plans
  7. Sign Truss Standards
  8. Construction Manual
  9. Flagger's Handbook
  10. Statewide Urban Standard Specifications
Iowa Department of Transportation
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Iowa Department of Transportation - 800 Lincoln Way - Ames, IA 50010