Driving assistance device, driving assistance system, and storage medium

Provided are a driving support device, a driving support system, and a storage medium that are capable of suitably supporting an action to be taken by both a driver on the transmission side and a driver on the reception side. This driving assistance device is provided with a processor having hardware, and the processor estimates, from input voice data, an intention relating to driving of a vehicle provided with the processor, and transmits to the outside first intention information generated by the estimation. On the basis of the first intention information estimated by the processor and second intention information that is an intention relating to driving of another vehicle estimated by another processor provided in another vehicle that receives the first intention information transmitted to the outside, support information for supporting driving of the vehicle provided with the processor is generated and output. 提供能够合适地支援意图发送侧及接收侧双方的驾驶员应该采取的行动的驾驶支援装置、驾驶支援系统及存储介质。本公开的驾驶支援装置具备具有硬件的处理器，处理器根据输入的语音数据来推定设置有该处理器的车