DRIVING ASSISTANCE APPARATUS, VEHICLE, AND NON-TRANSITORY RECORDING MEDIUM

A driving assistance apparatus assists in driving of a vehicle. The driving assistance apparatus includes one or more processors and one or more memories communicably coupled to the one or more processors. The one or more processors execute: a blind spot region detection process of detecting a blind spot region as viewed from the vehicle formed by a blind spot forming object, based on data regarding a surrounding environment of the vehicle; a mobile body detection process of detecting a mobile body that has entered the blind spot region from outside the blind spot region, based on the data regarding the surrounding environment of the vehicle; and a contact risk estimation process of estimating a risk of contact between the vehicle and the mobile body, based on a movement direction and a movement speed of the mobile body, and a temporal change in the blind spot region.