Route generation device for autonomous mobile body

A route generation device for an autonomous mobile body capable of autonomously moving to a plurality of destinations, the route generation device comprising:

• a controller configured to generate, in response to acceptance of an allowable arrival time period assigned to at least one of the plurality of destinations, an input of information regarding specifics of a task to be performed at the at least one destination, and setting of a required time period according to the specifics of the task, a route that allows the autonomous mobile body to arrive at the at least one destination within the allowable arrival time period, based on the required time period,
• the controller being configured to control and cause the autonomous mobile body to travel along the generated route.