Level of service for roads with motorcycle lane or without motorcycle lane in Denpasar

Abstract

Denpasar is the capital of Bali and the main gateway to the island. The increasing number of vehicles in Denpasar City reach 7 % annually. The negative impact of the high number of motorcycles is decrease of road performance, especially causing low travel speed and high potential of traffic conflict. To minimize that problem, motorcycle lane was applied to make homogeneity movement of motorcycles in the city of Denpasar. The methods by analysed of road performance on the motorcycle lanes by using MKJI 1997 (Indonesia Road Capacity Manual). The analysis shows that the application of motorcycle lane has an influence to improvement road traffic. That is indicated by the VCR value for road with motorcyle lane facilities are 0.42 and 0.54. Meanwhile without motorcycle lane is 0.34 and 0.43. The level of service on Puputan Rd, Cok Agung Tresna Rd and Sudirman Rd (north direction) is “B”. Its mean traffic flow is stable, but travel speed began to be limited by traffic conditions. Meanwhile on Sudirman Rd (south direction), the level is service mostly is C. Its mean Traffic flow is stable, but the travel speed and vehicle movement is controlled.