Tool speed controller (traffic calming) is a tool that was installed to slow down traffic and to improve the safety of pedestrians, children and the elderly, the tool speed controller (traffic calming) is usually applied in a residential area, shopping center, and the road environment. One of the type of speed controller is a speed hump. Speed hump is perfect in terapakan in a residential area. There are two forms of speed hump frequently used i.e. shape trapezoid speed hump (trapesoidal) and speed hump half circle (sinusoidal). Rubber tires are often used as the main ingredient in the making of speed hump.This research aims to know the influence of application of modeling traffic calming use rubber tires on road of Lotus, the city of Tegal. The methods used in this study is the method before after, which counts 85 percentile speeds before and after implementation of the application, so it can be known to the application of modeling speed hump the most effective and safe speed approaching the target.From the application of the obtained influence the application of modeling traffic calming the most effectively applied in Lotus road, the city of Tegal is a traffic calming model "A" trapesoidal with the result value of the speed of 16 km/h or 60% of the initial speed of 40 km/h. Keywords: Speed Controller Tools, Rubber Tires, Speed
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