Abstract:
Roundabout is one of the intersection of the arms traffic island where the
movement of crossing replaced with braided as well as to divert the vehicle from a
traffic straight so will slow down the speed. with the roundabout at the
intersection of Jalan-Jalan Sri Ratu Safiatuddin Banda Aceh will have an impact
that would interfere with the movement of vehicles passing through the area. The
purpose of this study was to analyze the performance of the three arms bundaraan
at Jalan Sri Ratu Safiatuddin Banda Aceh. This study uses a method MKJI
(Highway Capacity Manual Indonesia) to review the performance of the three
arms Jalan-Jalan highway banda aceh, the data obtained in the field with a total
flow of vehicles (Q) 10559 smp / hour. With the composition of the traffic light
(LV) 5585 smp / hour, and the type of heavy vehicles (HV)18 smp / hour, vehicles
motorcycles (MC) 11655 smp / hour. Analysis of the performance of the
roundabout was found that the level of service of bundaraan are at level C where
traffic conditions approaching unstable during rush hour.