Studi Analisis Perencanaan Peningkatan Ruas Jalan Mantingan-Ngabul / Jalan Sultan Hadlirin

The development of roads in the City of Jepara continues to increase and the width of the road is insufficient to accommodate the traffic capacity causing flow obstruction and the road has an existing structural decline, causing the sections to be bumpy and potholes. It is necessary to do an analysis study on the improvement of the Mantingan-Ngabul road / Sultan Hadlirin road, Jepara Regency in order to solve this problem. From the analysis results obtained as follows: The ideal road widening for this road is at least 6 m. The analysis for calculating the pavement thickness index (ITP) for a 20 year plan age is Laston MS 744 with a thickness of 10 cm, Broken Stone Class A (CBR100%) with a thickness of 20 cm, and Sirtu Class A (CBR70%) with a thickness of 25.4 cm. The results of the geometric analysis of the highway where 5 S-S bends are obtained, with details of bend 1 requiring side freedom of 2.75 m, bend 2 of 3.17 m, bend 4 of 2.80 m, bend 5 of 3.11 m and bend widening is not required. For bend 3 requires side freedom of 13,725 m and a bend widening of 1 m is required from the original width of 7 m. According to the analysis, the road capacity of the Mantingan - Ngabul / Sultan Hadlirin road, Jepara Regency, obtained an average traffic growth rate of 2.6% and the number of LHR per year as follows: In 2020 4440 the number of vehicles / day. In 2025, there are 5048 vehicles / day. In 2030, there are 5739 the number of vehicles / day. In 2035, it is 6525 the number of vehicles / day. In 2040, 7419 the number of vehicles / day.