"Class I" means a railroad carrier designated as a class I railroad by the United States surface transportation board and its subsidiaries or is owned and operated by entities whose combined total railroad operational ownership and controlling interest meets the United States surface transportation board designation as a class I railroad carrier.
"Class III" means a railroad carrier designated as a class III railroad by the United States surface transportation board.
"Crewmember" has the same meaning as "operating craft employee" as defined in this section.
"Operating craft employee" means a person employed by a railroad carrier and identified as train or yard crew as defined in 49 C.F.R. Part 218.5.
"Other railroad carrier" means a railroad carrier that is not a class I carrier.
"Railroad carrier" means a carrier of persons or property upon vehicles, other than streetcars, operated upon stationary rails, the route of which is principally outside incorporated cities and towns. "Railroad carrier" includes any officers and agents of the railroad carrier.
Wash. Admin. Code § 480-62-255