When unloaded track is measured to determine compliance with requirements of this part, evidence of rail movement, if any, that occurs while the track is loaded shall be added to the measurements of the unloaded track.
49 C.F.R. §299.303
When unloaded track is measured to determine compliance with requirements of this part, evidence of rail movement, if any, that occurs while the track is loaded shall be added to the measurements of the unloaded track.
49 C.F.R. §299.303