Division of Materials and Tests

INDOT strives to develop, inspect, and test materials used to construct and maintain highways, thereby ensuring the most efficient and effective products are used on Indiana transportation construction projects.

Qualified Products and Sources

• Qualified Products Lists & Qualified Sources Lists
  A listing of qualified products and sources that meet INDOT specifications for immediate use on INDOT Contracts.
• Ready Mixed Concrete Plants

Publications & Manuals

• Indiana Test Methods Index
  Test Methods and Procedures developed by INDOT for use with INDOT Specifications. 
  • ITM 226: Review and Validation of CCAs Spreadsheet
• Frequency of Sampling and Testing Manual
  This is the manual that outlines the Sampling and Testing requirements of materials for acceptance purposes on INDOT contracts.
  • Highlighted Changes to the Frequency of Sampling and Testing Manual
    There were many revisions in the 2023 manual.  They are highlighted in this document for comparison.
• Directive Index
  Internal procedures developed by INDOT to direct testing activities.
• Material Certification Guide
  Directive 109
  • Material Review Letter by INDOT PE/S
  • Material Review Letter by Consultant PE/S
• Materials Classification for BABA (Build America, Buy America) rev. 4-1-2024
• 2023 Aggregate Specification Chart
• 2024 Management Representative Letter
• DMF Entry Reference Manual
  Procedures for enrolling, accessing, and navigating the DMF Entry application.
• Mobile Mixer Calibration - Ver 2.0- 2019
• Concrete Mix Design Spreadsheet - V14l.10.15.24
• Mix Design for LMC
• Life of an HMA Sample Webinar
  Learn about INDOT's tools and processes behind gathering, testing, and grading HMA Samples.  (Click Here for PDF)

Testing Memorandums

• Current Testing Memos

Certified Technicians/Supervisor Lists

• CAPP Technicians
• ICAT Technicians
• HMA Field Supervisor

Aggregate Bulk Specific Gravity

• 2024 Gsb List (3/28/24)
• Gsb List Changelog (3/28/24)
• HMA Gsb List Instructions

Data Views

• HMA Pay Factors and Comparison

PG Binder Index Adjustment

• Spreadsheet for PG Binder Index Adjustment
• Instructions for PG Binder Index Adjustment
• Example Spreadsheet
• Monthly PG Binder Index
• PG Binder Index FAQ

Certifications

This is a list of Certifications that includes the specifications and test result requirements for acceptance of materials.

• Type A Certifications
• Type B Certifications

Quality Assurance Manuals

• Certified Aggregate Technician Manual
  Manual outlining the procedures to be followed by the Certified Aggregate Technicians.
• Indiana Certified Asphalt Technician (ICAT) Manual
  Manual outlining the procedures to be followed by the ICAT Technician.
• Certified Hot Mix Asphalt Field Supervisor Policy
  The policy to be followed to obtain and maintain a Certified HMA Field Supervisor certification.

Geotechnical Engineering Division Links

• Geotechnical Engineering Division Home Page
  Manuals, Guidelines, Forms, and Approved List of Suppliers and Geotechnical Consultants.
• Qualified Geotechnical Consultants
• Field Testing of Soils and Aggregate
  Procedures to be followed for Acceptance Testing of Soils, Granular Soils and Aggregates.

IRI (International Roughness Index) Links and QA Information

• IRI Information (Links to Construction Information)
  Forms, Guides and Worksheets
• IRI Quality Assurance Procedures
  Information on INDOT's QA Program

Contact Information

Matthew Beeson
Division of Materials and Tests
Indiana Department of Transportation
120 S. Shortridge Road
Indianapolis, IN 46219
(317) 522-9662
MBeeson@indot.in.gov

Materials & Testing Phone Directory