A control device for a motorcycle includes a removal detecting unit for detecting the removal of an equipment, which is required during a public road running of the automotive vehicle, from the motorcycle, a determining unit for determining the presence of the motorcycle on a non-public road area in the event that a determining condition including a detection signal fed from the removal detecting unit is satisfied, and a drive control unit operable in response to a determining signal from the determining unit to set a non-public road mode appropriate to the non-public road running. The equipment referred to above is at least one of a back viewing mirror, a headlight, a tail lamp, a number plate, a license lamp, a warning horn, a side stand and turn indicators.

A straddle type vehicle includes a vehicle body frame; a fixed member which is supported by the vehicle body frame and to which an electrical component is fixed; and a sensor unit including a sensor for detecting an object around a vehicle body and fixed to the fixed member together with the electrical component via a rubber member.

A rideable saddle vehicle including: a taillight arranged on a rear-carriage of the vehicle, the taillight being adapted to emit a light beam; a rear fender of a rear wheel connected to an unsprung mass portion of the rear-carriage, the rear fender having a front edge and a rear edge; a detection unit arranged on the rear-carriage and configured to detect the presence of other vehicles in a zone behind the vehicle, where the detection unit, in a side view of the rideable saddle vehicle, is arranged below the taillight, above the rear edge of the rear fender, behind the front edge of the rear fender and in front of the rear edge of the rear fender.