Technical Safety Dossier & Event Information
Incident Overview
The Derailment (Anjlokan) involving KA 2511A di occurred on 4 August 2019. The recorded incident site is located at Km 48+600 section St. Sedadi - St. Karangjati, Daop 4 Semarang, within the operational territory of Daop 4 Semarang Anjlokan KA.
Based on verified operational records: KA 2511A adalah KA angkutan kargo dengan railcars datar relasi St. Kalimas –
St. Tanjungpriok dengan susunan 1 (satu) Locomotive CC 206 dan 30 (tiga puluh) railcars datar
(GD).
Pada hari Minggu, 04 Agustus 2019 at 07.50 WIB Pusdalopka DAOP 4 Semarang menerima
informasi dari driver KA 2511A derailed di southbound track Km. 48+600 section antara St. Sedadi
– St. Karangjati DAOP 4 SM. KA 2511A derailed sebanyak 6 (enam) railcars datar mulai dari
railcars urutan ke-21 s.d. urutan ke-26 dengan jumlah gandar yang derailed sebanyak 19
(sembilan belas) gandar. Pada saat kejadian, railcars urutan ke-1 s.d urutan ke-20 berisi muatan
kargo dan railcars urutan ke-21 s.d. urutan ke-30 tanpa muatan.
Anjlokan KA 2511A di KM 49+5/6 southbound track section antara St. Sedadi – St. Karangjati DAOP 4 Semarang, 04 Agustus 2019
8
Gambar 1. Peta lokasi kecelakaan anjlokan KA 2511A.
Track Characteristics & Operational Corridor
The incident location is situated along the track section or station perimeter of Km 48+600 section St. Sedadi - St. Karangjati, Daop 4 Semarang. Railway lines across Daop 4 Semarang Anjlokan KA represent active corridors with steady passenger and freight traffic. Train operations are governed by statutory right-of-way principles outlined in national railway operational codes. At level crossings and station yards, traffic safety strictly relies on signaling obedience, level crossing warning devices, and road user compliance with rail right-of-way regulations.
Rolling Stock Involved & Recorded Impact
Zero Casualties: Official historical safety records confirm no fatalities and no injuries occurred in this incident.
Rolling stock and fleet formations identified in official documentation include: CC 206 13 74. Post-incident emergency responses were carried out by regional railway operational teams and local emergency services, encompassing safety evacuations, physical structural assessments of locomotives and carriages, track clearing, and restoration of signaling infrastructure.
Safety Regulations & Statutory Context
This technical documentation is compiled as part of Indonesia's national railway safety public archive. In accordance with Law of the Republic of Indonesia Number 23 of 2007 concerning Railways (UU No. 23/2007), railway safety is a shared responsibility covering rolling stock airworthiness, track infrastructure integrity, train crew operational discipline, and public adherence at level crossings to safeguard safe and orderly transportation.