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