Place this clip low under narration or music at the start of a travel sequence, then follow it with engine-free transition sounds. Pair it after a door closing moment and before city ambience to build a complete journey from departure to arrival.
關於此聲音
A 7.5-second recording of cars speeding along a highway, with engines humming and vehicles whooshing past in steady traffic flow. It feels immersive and restless, giving listeners that on-the-road rush and constant motion of a busy motorway without any voices or music interrupting the drive.