Ten of valley municipalities are managing the Tamagawa cycle path.The video camera was installed in the loading motorcycle in the Tamagawa cycle path and 640×480 Traffic was recorded with 30fps. The mileage was 457km on the total the 32nd the measurement days. Moreover, average per hour was 13.8 km/h. at 52.4km in the total length. It was assumed that the bicycle and the person were a left traffic rules in Kawasaki City, and other municipalities were also similar. On the other hand, the pedestrian died of the collision of the bicycle and the pedestrian who had got up in June, 2009 in Fuchu city. The width of the cycle path was expanded from 2.4m to 3 and 0m and the person changed to right traffic in Fuchu city as a result. It was 172. average of the pedestrian and the runner to the amount of traffic of one hour in total the traffic of 122 people on the average and bicycles Because it was width 2.4m or 1.8m of the cycle path, consideration of the investigation of actual conditions of bicycling and walking about the bicycle was done. Running with the deceleration belt by the bump of 10mm in height had the danger of Otoclma and the bicycle breakdown and it started decoupling the cyclist of about 15% in the dancing posture.