The shirker will sooner or later be forced to do his or her duty; if one has to do a thing, one should do it efficiently, not half-heartedly. The proverb is probably based on the commercial importance of the route, which ensures the keen interest of the authorities (of Ìbàdàn presumably) in seeing that whoever is responsible for keeping it open and clean does so efficiently.
The shirker will sooner or later be forced to do his or her duty; if one has to do a thing, one should do it efficiently, not half-heartedly. The proverb is probably based on the commercial importance of the route, which ensures the keen interest of the authorities (of Ibadan presumably) in seeing that whoever is responsible for keeping it open and clean does so efficiently.