The Arkansas Department of Transportation is authorized and it is its duty to adopt, change, or make reasonable and just rates, charges, and regulations to govern and regulate sleeping car tariffs and service in order to correct abuses and prevent unjust discrimination and extortion in the rates for sleeping cars.
Railroads — Sleeping car tariffs
Ark. Code Ann. § 23-4-615 — under Regulation of Rates and Charges Generally.
Ark. Code Ann. § 23-4-615