Construction Spec Book, Manuals & Guides

ITD forms to use for project development, construction, and maintenance.

Links to manuals for use in project development, construction, and maintenance. Listing includes reference publications containing the rules, regulations and guidelines for the development, construction, and maintenance of Idaho’s transportation system.

• State & Federal Construction Posterboard Requirements
  • To meet State and Federal requirements, contractors’ posterboards on State and Federal project sites must include all required documents, must be conspicuously displayed, must be accessible to the public, and must be able to withstand inclement weather.

• Construction Partnering Guide – Guidance on Partnering for Construction Project Success
• Pay Items Catalog
• **New** Slides: 2025 Buy America Requirements, Oct. 30, 2025
  • Video: 2025 Build America Buy America Process, Oct. 30, 2025
    • Presentation: Build America Buy America Process, Jan. 2024

• Inspector & Sampler Tester Qualifications / Certifications
• Idaho Qualified Labs
• Qualified Products List

Dispute Review Board (DRB)

• DRB Member Roster and Resumes
• DRB Three-Party Agreement Form
• DRB Candidate Solicitation
  • Use Form Finder Index to search for ITD-0062 form
• Davis-Bacon Wage Decisions – Go to: SAM.gov – U.S. Dept. of Labor
• 2018 Chip Seal Coat Warranty Guide

iPlan Mapping

• iPlan – Mapping Resource  including Milepoint Logs
• Idaho Transportation Investment Program
• Stormwater Compliance guidance

• Preconstruction AASHTO Guide (PDF)
• ITD Contractors Construction Management User Guide (PDF)
• ITD Subject Matter Experts Construction Management User Guide  (PDF)
• ITD Mobile Inspector User Guide (PDF)

Details specifications that must be followed by the Contractor during highway construction.

• 2023 Standard Specifications (March 2023)
  • 2025 Supplementals for 2023 Standard Specifications (June 2025)
    • Annual updates to the standard specifications that must be followed by the Contractor during highway construction.
  • 2024 Supplementals for 2023 Standard Specifications (April 2024)
  • 2024 Buy America Insert for the 2023 SSHC (April 9, 2024)
    • Copies of the 2023 Standard Specifications can be ordered from any supplier.
    • However, the following publisher already has the file & can provide the books for $18 per book plus applicable sales tax & shipping.
    • Ditto’s Print & Copy Center, Inc. & Gray Dog Press 2515 E. Sprague Ave., Spokane, WA 99202 Contact: sales@graydogpress.com, Ph: 509-533-0025

• 2018 Standard Specifications (April 2018)
  • 2022 Supplementals for 2018 Standard Specifications (Aug. 2022)
  • 2024 Buy America Insert for the 2018 SSHC (April 9, 2024)
  • 2021 Supplementals for 2018 Standard Specifications (May 2021)
  • 2020 Supplementals for 2018 Standard Specifications (Oct. 2020)
  • 2019 Supplementals for 2018 Standard Specifications

• 2017-2018 Spec Changes

• 2017 Standard Specifications (April 2017)
• 2012 Standard Specifications (March 2012)
  • 2016 Supplementals for 2012 Standard Specifications (Jan. 2016)

• 2025 Special Provisions 405 HMA for 2023 Spec Book (Nov. 17, 2025)
• 2024 Special Provisions 405 HMA for 2023 Spec Book (Nov. 29, 2023)
• 2024 Special Provisions 405 HMA for 2018 Spec Book (Nov. 29, 2023)
• 2023 QASP SA for 2023 Spec Book (Dec. 7, 2023)
• 2021 Special Provisions 405 HMA (July 2, 2021)
• 2020 QASP SA for 2018 Spec Book (Oct. 21, 2019)

• 2024 405 Memorandum (Nov. 29, 2023)
• 2022 405 Spring Memorandum (July 12, 2022)

• 2020 QA Manual | Searchable
  • 2024 QA Manual Supplemental to the 2020 QA Manual (July 29, 2024)
  • 2020 QA Manual Supplemental (June 4, 2024)
  • QA Manual Buy America Supplementals
    • 2024 Buy America Insert (Find under Standard Specifications)
    • 2023 QA Manual BA Supplementals (Oct. 23, 2023)
    • 2022 QA Manual BA Supplementals (Nov. 22, 2022)

• Materials Manual (PDF) – 2021
• SPLIQ User’s Manual (PDF)
  • Simplified Performance-based Liquefaction
• Download the SPLIQ Tool (xlsm)

• Lab Ops 100 – Laboratory Operations (PDF)
  • 100 Laboratory Operations
  • 120 Materials Samples
  • 130 Laboratory Test Reports
  • 140 Testing Requirements for Aggregate Material Sources
  • 150 Test Methods and Test Manuals
  • 160 AMRL & CCRL Proficiency Samples

• Lab Ops 200 – ITD Laboratory Qualification Program
  • 200 ITD Laboratory Qualification Program
  • 210 Quality Control Laboratories
  • 215 Quality Assurance Laboratories
  • 220 Dispute Resolution Laboratories
  • 225 Concrete and Asphalt Mix Design Laboratories
  • 230 Laboratory Qualification Process
  • 240 Conflict of Interest
  • 250 Qualification Requirements for Personnel Who Perform Sampling and Testing
  • 260 Calibration, Standardization and Check Requirements for Testing Equipment
  • 270 Laboratory Disqualification
  • 260 Mix Designs

• Lab Ops 290 – Appendix A (PDF)
  • Test Methods & Equipment
  • Equipment, Calibration, Standardization, or Check Procedures & Frequency
  • Procedure Checklist AASHTO R-18 Quality Systems Manual
  • Forms

• Lab Ops 290 – Appendix B (PDF)
  • Calibration, Standardization, and Check Procedures & Worksheets

• Lab Ops 300 – ITD Central Laboratory (PDF)
  • 300 ITD Central Laboratory
  • 310 Aggregate & Asphalt Mix Laboratories
  • 320 Soil Laboratory
  • 330 Geotechnical Laboratory
  • 340 Chemistry Laboratory
  • 350 Asphalt Binder Laboratory
  • 360 Structures & Cement Laboratory

• Lab Ops 400 – ITD Nuclear Gauge Program (PDF)
  • 400 ITD Nuclear Gauge Program
  • 410 ITD HQ Central Laboratory
  • 420 ITD District Materials Laboratories
  • 430 ITD District Residencies
  • 440 Required Training
  • 450 Required Forms

• Lab Ops 500 – Standard Methods and Practices (PDF)

• LabOps Summary of Changes (PDF)

• Searchable LabOps Manual (PDF)