2027 Redline Revisions (Information Only)

Pub. Oct. 2026 (v. 2027)

Aggregate Redline

AASHTO R 90

REDLINE: Sampling Aggregate Products

AASHTO R 76

REDLINE: Reducing Samples of Aggregate to Testing Size

AASHTO T 27 / T 11

REDLINE: Sieve Analysis of Fine and Coarse Aggregates. Materials Finer than No. 200 Sieve in Aggregate by Washing

AASHTO T 176

REDLINE: Plastic Fines in Graded Aggregates and Soils by the use of the Sand Equivalent Test

Asphalt Redline

AASHTO R 97

REDLINE – Sampleing Asphalt Mixtures

AASHTO T 329

REDLINE – Moisture Content of Asphalt Mixtures by Oven Method

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 R 66

REDLINE – Sampling Asphalt Materials

AASHTO T 30

REDLINE – Mechanical Analysis of Extracted Aggregate

AASHTO T 312

REDLINE – Preparing and Determining the Density of Asphalt Mixture Specimens by Means of the Superpave Gyratory Compactor

Concrete Redline

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

AASHTO R 100

REDLINE – Method of Casting and Curing Concrete Strength Test Specimens in the Field

Embankment & Base / In-place Density Redline

AASHTO T 255/T 265

REDLINE – Total Evaporable Moisture Content of Aggregate by Drying & Laboratory Determination of Moisture Content of Soils

AASHTO T 99 / T 180

REDLINE – Moisture-Density Relations of Soils

AASHTO R 75

REDLINE – Developing a Family of Curves Using Soil-Moisture Denstiy Relations

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

AASHTO T 310

REDLINE – In-Place Density and Moisture Content of Soil and Soil-Aggregate by Nuclear Methods (Shallow Depth)

Self-Consolidating Concrete Redline

WAQTC T 347/T 351

REDLINE – Slump Flow of Self-Consolidating Concrete (SCC) & Visual Stability (VSI) of Self-Consolidating Concrete (SCC)

AASHTO T 345

REDLINE –  Passing Ability of Self-Consolidating Concrete (SCC) by the J-Ring