KA Kertanegara menabrak truk gandeng dengan nomor polisi AG 8596 UL di perlintasan sebidang, Jalan Tanjung, Kota Blitar.
The main conceptual idea of the text is human error, specifically negligence, led to a tragic train accident at a railway crossing. The text states that the gatekeeper at the crossing was asleep, which resulted in the Kertanegara train colliding with a truck. This highlights the importance of vigilance and responsibility in safety-critical jobs.