Implementing environmental perception in intelligent vehicles is a crucial application, but the parallel processing of numerous algorithms on the vehicle side is complex, and their integration remains a critical challenge. To address this problem, this paper proposes a multitask detection algorithm Multitask Detection Network (MDNet) based on Cross Stage Partial Networks with Darknet53 Backbone (CSP-DarkNet53) with high feature extraction capability, which can simultaneously detect vehicles, pedestrians, traffic lights, traffic signs, and bicycles as well as lane lines. MDNet obtains exception...