TECHNICAL FIELD

The present invention relates to a vehicle, a roadside apparatus, a communication apparatus, and a transport communication system.

BACKGROUND ART

Conventionally, in a high-degree transport system (for example, ITS; Intelligent Transport System), a technique that communication between a roadside apparatus installed at a roadside of a road and a vehicle is performed is proposed (for example, Patent Literature 1).

CITATION LIST

Non-Patent Literature

Non-Patent Literature 1: The Association of Radio Industries and Businesses, “700 MHz BAND INTELLIGENT TRANSPORT SYSTEMS ARIB-STDT109 version 1.3”, [online], Jul. 27, 2017 [Jun. 22, 2018, search], Internet 153083234195_0.html

SUMMARY OF THE INVENTION

A vehicle that performs communication with a roadside apparatus installed at a roadside of a road at least, according to a first disclosure, includes a communicator configured to transmit a message including an information element indicating whether or not one or more towed vehicles are towed by a towing vehicle.

A roadside apparatus that is installed at a roadside of a road, according to a second disclosure, includes a communicator configured to receive, from a vehicle, a message including an information element indicating whether or not one or more towed vehicles are towed by a towing vehicle.

A communication apparatus that is installed at least any one of a roadside apparatus installed at a roadside of a road and a vehicle performing communication with the roadside apparatus, according to a third disclosure, includes a communicator configured perform communication of a message including an information element indicating whether or not one or more towed vehicles are towed by a towing vehicle.

A transport communication system according to a fourth disclosure includes a roadside apparatus installed at a roadside of a road and a vehicle performing communication with the roadside apparatus at least. The vehicle includes a communicator configured to transmit a message including an information element indicating whether or not one or more towed vehicles are towed by a towing vehicle.

