ANALISIS DAMPAK AKSES PINTU TOL SAWOJAJAR TERHADAP KINERJA SIMPANG

Studi Kasus : Jalan Ki Ageng Gribig Dan Jalan Muharto Kota Malang

Abstract

The intersection of Jalan Ki ageng Gribig - Jalan Muharto is one of the intersections affected by the access to the Sawojajar toll gate in Malang City. So, it is necessary to have a study on the intersection of Jalan Ki Ageng Gribig-Jalan Muharto related to the impact of the access to the Sawojajar toll gate in order to provide a repair solution to the intersection. Therefore, in this study an analysis of the impact of the Sawojajar toll gate access to the intersection performance of Jalan Ki Ageng Gribig and Jalan Muharto, Malang City is conducted. The data used are primary data and secondary data. Primary data were obtained from direct field survey results for 3 days of observation in the form of road geometric data and traffic volume data. The survey location is at the intersection of Jalan Ki Ageng Gribig and Jalan Muharto. The survey was carried out on the conditions before and after the operation of the Sawojajar toll gate access. Meanwhile, secondary data were obtained from BPS Malang City and data from previous research. The analysis was carried out on the degree of saturation, queue length and delay. The 2014 Indonesian Road Capacity Guidelines (PKJI) were used as the basis for analysis. The impact of the Sawojajar toll gate access on the performance of the intersection of Jalan Ki Ageng Gribig and Jalan Muharto before and after the operation of the toll gate access, namely before the operation of the Sawojajar toll gate access, the maximum queue length was 149.622 m. The maximum delay value is 137.8834 s / vehicle and the maximum degree of saturation is 1.319 or ≥ 0.85. And after the Sawojajar toll gate access operates, the maximum queue length is 295,326 m. And the value of the maximum degree of saturation is 1.718 or ≥ 0.85. This shows that the performance of the intersection is no longer able to serve traffic flow properly. After analyzing calculations using the 2014 Indonesia Road Capacity Guidelines reference, it was concluded to make improvements to the intersection by installing traffic lights or traffic light signals by using a 2-phase alternative with a geometric widening of 1 meter each at each intersection approach. The intersection performance with the installation of traffic lights obtained a maximum queue length of 194.626 m, and a maximum delay size of 11.392 sec / vehicle, and a maximum degree of saturation value of 0.846 ≤ 0.85, or fulfilling the requirements with service level B. So with the installation of this traffic light, The intersection is expected to be able to serve traffic flow well.