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Reduction of effective road width is a common problem in everywhere of the world and in Dhaka city; it's a major problem for its huge traffic volume. This study includes an investigation to find out the cause of reduction of effective roadway width due to side friction is Dhaka city. The specific objectives of the study were to identify the factors...
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Citations
... The reduced width of the road causes reduced capacity. The existence of side obstacles will cause a reduction in capacity and cause congestion [10]. Side barriers affect road congestion but not for road surface conditions [11]. ...
Activities of land use on the roadside have an impact on traffic. The more roadside activities increasingly affect the performance of the road section. This research was conducted on 2/2 UD type of road and the purpose of the study was to determine the effect of the proportion of roadside friction (pedestrians) to traffic characteristics and roadside friction index on access roads of Makassar Municipality and Gowa Regency. Greenshields model is used to determine the relationship between speed-flow-density. The results showed pedestrians are very influential in the average speed of space and free-flow speed. The greater the proportion of pedestrians as roadside friction, the value of the roadside friction index increases, but the value of the average speed of space and free flow speed decreases. Motorized vehicles will run slower to avoid or adjust to the pedestrian speed, especially light vehicles and heavy vehicles, yet the addition of the pedestrian does not significantly affect the movement of motorcycles.
Side frictions along the market area of Tanjungsari often cause traffic congestion during peak hours. The traffic congestions are caused by the high frequency of side frictions, which may decrease the effective road capacity. This paper to seek the influence of the dominant side frictions using the degree of saturation, as well as provide some effective alternative solutions to rural standard for 10 years. The two alternatives solutions, such as by widening road up to 2 meters and detouring with widening road up to 3.5 meters. Are the analysis results shows that, the most effective alternative solution is a detouring with widening road up to 3.5 meters because it can correspond with rural standards for next 10 years. The other reason considering the operation of Cisumdawu toll road may reduce traffic flow by 28% to 34% along market area using rural service standard. The predicted result, which relies on degree of saturation when Cisumdawu toll road has been operated is 0,51 for the direction of Bandung-Sumedang, otherwise is 0,74 of Sumedang-Bandung.
