CFR > Title 40 > Chapter I > Subchapter U > Part 1066 > Subpart D CFR > Title 40 > Chapter I > Subchapter U > Part 1066 > Subpart D – Coastdown Current as of: 2024 | Check for updates | Other versions § 1066.301 Overview of road-load determination procedures § 1066.305 Procedures for specifying road-load forces for motor vehicles at or below 14,000 pounds GVWR § 1066.310 Coastdown procedures for vehicles above 14,000 pounds GVWR § 1066.315 Dynamometer road-load setting