Mo. Rev. Stat. § 389.991: Definitions.

The following words used in sections 389.991 to 389.995 shall mean:

(1) "Bridges" , structures supporting the track or tracks over a waterway, highway, ravine or railroad;

(2) "Carrier" , any common carrier by rail;

(3) "Division" , the motor carrier and railroad safety division of the department of economic development;

(4) "Roadbed" , culverts, tunnels, cuts and fills on which or through which the tracks are located;

(5) "Tracks" , rails and fastenings, ties, crossings-at-grade, both railroad and highway, switches and their appurtenances but not including signal equipment.