| 摘要 |
Apparatuses, computer programs and methods are provided. A first method comprises: responding to user input, at a wearable user input device, by causing transmission of a radio frequency signal comprises a request from a pedestrian wearer of the wearable user input device. The request may be a request to cross a road. A second method comprises: responding to the user input, provided by the pedestrian wearer of the wearable user input device, by causing motion of a vehicle to change. The motion of the vehicle may be changed in order to enable the pedestrian to cross the road. |
