East Jakarta has the highest amount of traffic accident than other cities in Jakarta for the last few years, indicating the need of traffic improvement on their safety, particularly for active mobility. Various projects have been implemented in Jakarta to improve its serviceability for pedestrian and bicycle user to drive the habit of active mobility. However, they still not have been implemented in Jakarta as a whole. This paper aims to do traffic improvement on a particular unsafe intersection in East Jakarta. Intersection itself is chosen as pedestrian and bicycle user are the most vulnerable when using it. Through comparative study cases, this paper is expected to determine appropriate junction geometrical designs that improve its safety for pedestrian and bicycle movement, while maintaining its performance, such as its capacity, degree of saturation, and delay. The study shows that junction geometrical improvement with several adjustments can improves its serviceability for active mobility. © Published under licence by IOP Publishing Ltd.