Ark. Code Ann. § 23-12-105

In all actions at law or suits in equity against any railroad company, its assignees, lessees, or other persons owning or operating any railroad in this state, or partly therein, for the violation of any law regulating the transportation of freight or passengers by any such railroad, if the plaintiff recovers in any such action or suit he or she shall also recover a reasonable attorney's fee, to be taxed as part of the costs therein and collected as other costs may be by law collected.