2026 Redline Revisions (Information Only)
Pub. Oct. 2025 (v. 2026)
Aggregate Redline
AASHTO R 90
REDLINE: Sampling Aggregate Products
AASHTO R 76
REDLINE: Reducing Samples of Aggregate to Testing Size
AASHTO T 255
REDLINE: Total Evaporable Moisture Content of Aggregate by Drying
AASHTO T 27 / T 11
REDLINE: Sieve Analysis of Fine and Coarse Aggregates. Materials Finer than No. 200 Sieve in Aggregate by Washing
Asphalt Redline
AASHTO R 47
REDLINE – Reducing Samples of Asphalt Mixtures to Testing Size
AASHTO T 308
REDLINE – Determining the Asphalt Binder Content of Asphalt Mixtures by the Ignition Method
AASHTO T 209
REDLINE – Theoretical Maximum Specific Gravity (Gmm) and Density of Asphalt Mixtures
AASHTO T 166
REDLINE – Bulk Specific Gravity (Gmb) of Compacted Asphalt Mixtures Using Saturated Surface-Dry Specimens
AASHTO T 30
REDLINE – Mechanical Analysis of Extracted Aggregate
Embankment & Base / In-place Density Redline
AASHTO T 255/T 265
REDLINE – Volumetric Properties of Asphalt Mixtures
AASHTO T 99 / T 180
REDLINE – Moisture-Density Relations of Soils
AASHTO R 75
REDLINE – Developing Soil-Moisture Denstiy Relations (Family of Curves)
AASHTO T 272
REDLINE – One-Point Method for Determining Maximum Dry Density and Optimum Moisture
AASHTO T 85
REDLINE – Specific Gravity and Absorbtion of Coarse Aggregate
Concrete Redline
WAQTC TM 2
REDLINE – Sampling Freshly Mixed Concrete
AASHTO R 100
REDLINE – Method of Casting and Curing Concrete Strength Test Specimens in the Field
AASHTO T 119
REDLINE – Slump of Hydraulic Cement Concrete
AASHTO T 121
REDLINE – Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete
AASHTO T 152
REDLINE – Air Content of Freshly Mixed Concrete by the Pressure Method
Self-Consolidating Concrete Redline
AASHTO T 345
REDLINE – Passing Ability of Self-Consolidating Concrete (SCC) by the J-Ring
WAQTC TM 18
REDLINE – Penetration Test for Static Segregation Resistance of Self-Consolidating Concrete (SCC)
WAQTC TM 19
REDLINE – Static Segregation of Self-Consolidating Concrete (SCC) Using the Column Method