Route search device, control method, program and storage medium

A route search device comprising:

• a sensor acquiring information on surroundings of a moving body;
• and
• a processor configured to:
• search for or estimate a moving route where the moving body moves;
• acquire environment information on surroundings of the moving route searched for or estimated by the route search unit;
• and
• inform a user of the moving route,
• wherein the processor is further configured to, based on the environment information, search for or estimate the moving route avoiding a section or a point on which performing autonomous driving by use of the sensor is unsuitable.

A route search method executed by a route search device, comprising:

• acquiring information associated with surroundings of a moving body;
• searching for or estimating a moving route of the moving body;
• acquiring environment information on surroundings of the moving route;
• and
• informing a user by providing information indicating that the moving route has been modified, based on the environment information on the surroundings, to avoid a section or a point on which autonomous driving by the sensor is unsuitable.