Pedestrian indirectly has an important role in daily activity and urban design. A pedestrian has a primary function for walking and access for walkers. Therefore, a pedestrian should fulfill its primary function, and benefit for the user in terms of safety, ease, and comfort circulation. One of the pedestrian characters in Jakarta is commercial pedestrian, which surrounded by store and the entrance facing the pedestrian, so the lane has a high volume of pedestrian user. However, this situation pushes another comer to use pedestrian for selling foods (temporary activity), which can lead more people to visit pedestrian to eat and socialize, so the pedestrian sidewalk will be narrow at some points and can cause the circulation flow of pedestrian users would have several variations between activities at different times and places. The method used in this study is through architectural observe, interview the pedestrian user, and literature study. This study will find out the impact of the role of temporary activity in pedestrian circulation patterns and levels of comfort for a pedestrian user at Jalan Sabang and Jalan Jaksa, Jakarta.