Cahaya Trans Bus Accident in Semarang Toll Road: Investigation and Impact

Accident Details

A devastating bus accident involving Cahaya Trans occurred on December 22, 2025, at approximately 00:30 WIB on the Semarang Toll Road's Exit Tol Krapyak ¹

. The bus, registration number B 7201 IV, was traveling from Jatiasih, Bekasi to Yogyakarta with 33 passengers on board ²

Source 2

https://finance.detik.com/berita-ekonomi-bisnis/d-8272970/bus-cahaya-trans-tak-laik-jalan-jadi-biang-kerok-kecelakaan-maut

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The incident unfolded when the bus allegedly lost control while navigating the toll road, crashed into the road barrier, and subsequently overturned. This resulted in significant damage to the vehicle's rear and side sections ³

. The accident claimed 16 lives and left 1 person lightly injured ¹

Source 1

https://finance.detik.com/berita-ekonomi-bisnis/d-8271518/terkuak-fakta-kecelakaan-maut-di-tol-semarang-bus-cahaya-trans-tak-laik-jalan

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Investigation Findings

Preliminary investigations by the Ministry of Transportation revealed critical information about the bus's roadworthiness. According to data from the Ministry's transportation system (MitraDarat), the bus was not registered as either a tourism or inter-city transport vehicle ¹

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Further examination of the vehicle's maintenance records showed that:

1. The last periodic inspection was conducted on July 3, 2025
2. A ramp check on December 9, 2025 declared the bus not roadworthy and operationally banned ¹
   Source 1

   https://finance.detik.com/berita-ekonomi-bisnis/d-8271518/terkuak-fakta-kecelakaan-maut-di-tol-semarang-bus-cahaya-trans-tak-laik-jalan

Causes and Contributing Factors

Multiple factors contributed to the accident:

1. Loss of control while navigating the toll road
2. Driver's lack of concentration and unfamiliarity with the road terrain, particularly at the Simpang Susun Krapyak
3. The bus's poor maintenance condition as evidenced by its non-roadworthy status ²
   Source 2

   https://finance.detik.com/berita-ekonomi-bisnis/d-8272970/bus-cahaya-trans-tak-laik-jalan-jadi-biang-kerok-kecelakaan-maut
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   Source 3

   https://finance.detik.com/berita-ekonomi-bisnis/d-8271834/profil-po-cahaya-trans-yang-busnya-terguling-di-tol-semarang

Response and Aftermath

The response to the accident was coordinated among multiple agencies:

1. PT Jasamarga Semarang Batang managed the initial response and traffic regulation
2. A crane was deployed for vehicle evacuation at 03:16 WIB
3. Victims were transported to various hospitals in Semarang, including RS Tugu, RS Columbia, RS Elizabeth, and RS Kariadi ⁴
   Source 4

   https://finance.detik.com/berita-ekonomi-bisnis/d-8271421/kecelakaan-maut-bus-cahaya-trans-crane-dikerahkan-untuk-evakuasi

Company Profile

Cahaya Trans, the operating company, is based in Depok, Jawa Barat, and offers inter-city, tourism, and cargo transportation services. The company prides itself on providing comfortable travel experiences, using the slogan 'Sensasi Perjalanan Senyaman di Udara' (Travel Experience as Comfortable as in the Air) ³

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