AASHTO Store Page – Approved Specs and Guides
AASHTO Specification Template
Construction Guide Highlights
- Chip Seal Construction Guide Highlights (V1.1)
- Fog Seal Construction Guide Highlights (V1.1)
- Micro Surfacing Construction Guide Highlights (V1.1)
ETF Roadmap
| AASHTO Standards Update: 2024 | M/MP | T/TP | R/PP | NCHRP Projects | Best Practices | Construction Guide Spec # | QA Guide |
| Chip Seal | M340 | R102 | NCHRP 14-37 | Published | Section 406 | ||
| Micro Surfacing | M341 | R103 | NCHRP 14-37 | Published | Section 408 | ||
| Tack Coat | M349 | R112 | NCHRP 14-44 | Section 404 | 5c COMP | ||
| Fog Seal | M343 | R105 | NCHRP 14-37 | Published | Section 410 | ||
| Asphalt Rejuvenators | NCHRP 10-114 | ||||||
| Scrub Seal | M345 | R107 | NCHRP 14-44 | Section 416 | 5c COMP | ||
| Sand Seal | M344 | R106 | NCHRP 14-48 | ||||
| Slurry Seal | M342 | R104 | NCHRP 14-44 | Published | Section 415 | 5c COMP | |
| Cold Recycled Mixtures with Foamed Asphalt | MP38 | PP94 | NCHRP 14-43 | ||||
| Ultrathin Bonded Wearing Course | M346 | R108 | NCHRP 14-48 | ||||
| Cold Recycled Mixtures with Emulsified Asphalt | MP31 | LPST | PP86 | NCHRP 9-62 | Published | Section 411 | 5c COMP |
| SPRT | NCHRP 14-43 | ||||||
| Emulsified Asphalt | M140-16 | ||||||
| Cationic Emulsified Asphalt | M208-16 | ||||||
| Polymer-Modified Cationic Emulsified Asphalt | M316-16 | ||||||
| Emulsion/Surface Performance Grades (E/SPG) | NCHRP 9-63 | ||||||