The IDMT-TRAFFIC dataset includes 17,506 2-second long stereo audio excerpts of recorded vehicle passings as well as different background sounds alongside streets. The dataset includes recordings from 4 different recording locations, 4 different vehicle types (bus, car, motorcycle, and truck), three different tempo limit areas, as well as dry and wet weather/road conditions. The direction of movement is annotated as well. Recordings with both high-quality sE8 microphones as well as medium-quality MEMS microphones are included.