Abstract
The arterial roads in tourism areas show a lack of control over activities that occur on the arterial roadsides. This study constructs a speed-flow behavior model to analyze the influence of side friction events under mixed traffic flows on arterial road performances in Bali. This event is dominated by the entry and exit of vehicles from road access points. The study results show that in friction conditions, the speed of the motorcycle is significantly affected by the presence and speed of other motorcycles and light vehicles, but in base conditions, it is significantly affected by the presence and speed of all types of vehicles. Meanwhile, the speed of light vehicles is significantly influenced by the presence and speed of motorcycles and other light vehicles. A further study is required to analyze the influence of motorized vehicles on the selection of heavy vehicle speed on arterial roads. Due to side frictions, a decrease in road capacity (pcu/hour) was found between 14.37% and 26.60% while a decrease in speed was between 13.79% and 76.19%. These show a significant side friction problem on arterial roads in tourism areas. The road control policy, particularly on roadside access is needed for these arterial roads.
Highlights
Based on the road hierarchy, an arterial road is to serve major transportation with the characteristics of long-distance trips, high average speeds, and the number of access points on the roads is efficiently limited [1, 2]
The speed of light vehicles is significantly affected by the presence and speed of motorcycles and other light vehicles
This study aims to develop speed-flow models to analyze the effect of side frictions on the performance of arterial roads
Summary
Based on the road hierarchy, an arterial road is to serve major transportation with the characteristics of long-distance trips, high average speeds, and the number of access points on the roads is efficiently limited [1, 2]. Traffic on arterial roads should not be disturbed by slow traffics caused by roadside activities [1, 2] This indicates that the urban road hierarchy has a significant impact on the effectiveness of transportation and traffic management systems in urban areas [3, 4]. The traffic does not maintain its mobility characteristics due to roadside activity factors or what is referred to as side friction factors The impact of these side frictions on the capacity of arterial roads must be analyzed for policy and technical improvements to improve the performance of arterial roads, especially the relation between traffic flow and speed [5, 6]
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