Traffic management at landslide disaster in West Sumatera and its impact to passenger and drivers

Abstract

West Sumatra is one of Indonesia province that always experiences landslides during the rainy season. Based on data from BNPB, in the last 10 years, 166 landslides have occurred in West Sumatra. The landslide materials covers partially and even the entire road wide, so it interferes the traffic flow activities in the lane. This study aims to identify traffic management that is carried out in the landslide disaster zone, the impacts arising from landslides are identified. The study was conducted by exploring the experiences of drivers and passengers when using vehicles in the West Sumatra. Structured questionnaires were created and distributed online and directly to respondents. From the results of data analysis, it was obtained that landslide most often occurred in the Padang-Solok road at Sitinjau Lauik region and in Padang-Padang Pariaman road at Silaiang region. These two routes have high traffic flow. Majority of landslide materials are soil, it causes traffic congestion. Traffic management by opening and closing oneway roads is a type that is mostly conducted to reduce traffic congestion, this activity is carried out by the police and the people around the location. The most impact that experienced by driver and passenger during waiting for cleaning the landslide material were tired and loss ot time.