Abstract
In developing countries such as Indonesia the proportion of motorcycles to other vehicles is reaching 76%, which is very high. The proportion of motorcycles in Bali Province exceeds 85% while in Denpasar City is 82%. Previous studies suggest that a high proportion of motorcycles will certainly affect the saturated flow. Therefore, the effect of motorcycles on saturation flows should not be neglected. With a high proportion of motorcycles that will affect the behavior of motorcyclists at irregular intersections such as in front of the stop line, besides other vehicles and behind other vehicles or in the flow, the behavior of the motorcycle affects the saturated flow. In calculating saturated flow, the Indonesian Highway Capacity Manual (IHCM) does not have specific measures that adopt the behavior of motorcycles. If the motorcycle is not properly regulated, it will interfere with the movement of other vehicles when the green light is on. The behavior to be examined in this study is the behavior of motorcycles in front of the stop line, outside the current (beside flow), or in the current (inside flow). In this study, a model was developed to determine saturation flow based on the behavior of motorcycles for through movements at signalized intersections with or without ESSM.
Highlights
Studying signalized intersections is one of the most effective measures to increase road network capacity and reduce traffic congestion [6]
This study examines the behavior of motorcycles towards saturated flow on through movements because in Denpasar City for large traffic flows, the arrangement of intersections with more signals is done through movement to reduce conflict at signalized intersections
The model generated from the regression analysis of the influence of motorcycle behavior together produces a better model than the model obtained from the regression analysis separately, namely the effect of the behavior of motorcycles on the infont of stop line on saturated flow, the effect of the behavior of motorcycles beside flow on saturated flow and the influence of the behavior of motorcycles inside flow on saturated flow
Summary
Studying signalized intersections is one of the most effective measures to increase road network capacity and reduce traffic congestion [6]. The management of signaled intersection traffic flow is much easier to research and analyze if all motorized vehicles are homogeneous [8]. A heterogeneous (mixed) traffic system is very different compared to that of a homogeneous one. Vehicle sizes and types and control vary [22]. Mixed traffic dominated by motorcycles is very common in most Asian countries such as Taiwan, Thailand, Vietnam, Indonesia, and Malaysia. The proportion of motorcycles in Hanoi and Ho Chi Minh City in Vietnam is around 90% [6]. In Taiwan, the concept of segregated traffic flow (motorcycle lane separation) was proposed and successfully implemented to improve mixed traffic performance
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