Guides, Manuals, and Standards Updates
Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and AASHTO Provisional Standards, 45th Edition, 2025
The Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and AASHTO Provisional Standards (the “Materials Standards”) contains specifications, recommended practices, and test methods commonly used in the construction of highway facilities. Provisional standards are also published to allow practitioners to use them early in the research or development phase.
AASHTO Publications Style Manual and Process Guide
The AASHTO Publications Style Manual and Process Guide was created to assist the many committee volunteers, vendors, consultants, and internal staff in providing, editing, formatting, and preparing content for AASHTO publications. It provides information for authors, editors, and designers about AASHTO design preferences, style and editorial rules, and print and digital publication guidelines.
Guidance Documents
- Committee on Materials and Pavements Operating Procedures Guide (Rev 08-14-2018)
- AASHTO Policy Manual
- AASHTO Style Manual 2025
- TRB Standing Committee & COMP TS Alignment
- Editorial vs Technical Revisions in Standards
- Photo Release Form
- How to Guide: Turning Materials Research into an AASHTO Specification
- 2023 Materials Standard Template
- COMP Research Liaisons
- COMP Standard Stewardship
- COMP Task Force
- 2025 – 2026 Publications Schedule