Current ERL Issue - October 17, 2023
The April 18, 2023 ERL has moved to "Archive"
Browse ERL library
The electronic version governs if there is a discrepancy between the electronic and printed versions.
- Standard Specifications with GS-23001
- Supplemental Specifications
- Materials I.M.s
- Standard Road Plans
- Standard Culvert Plans
- Standard Bridge Plans
- Sign Truss Standards
- Flagger's Handbook
- Intelligent Transportation Systems Standards The following are not Iowa DOT contract documents, but are provided for information purposes:
- Construction Manual
- SUDAS Standard Specifications